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1031020232312 = 2371011049173773
BaseRepresentation
bin11110000000011011001…
…10000011111001111000
310122120020120110111111002
433000031212003321320
5113343012134413222
62105351045424132
7134326433243060
oct17001546037170
93576216414432
101031020232312
11368287051624
1214799a70b048
13762bcb32ba5
1437c8a1883a0
151bc44c1b392
hexf00d983e78

1031020232312 has 64 divisors (see below), whose sum is σ = 2233343448000. Its totient is φ = 437071334400.

The previous prime is 1031020232311. The next prime is 1031020232317. The reversal of 1031020232312 is 2132320201301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031020232311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5846258 + ... + 6020030.

It is an arithmetic number, because the mean of its divisors is an integer number (34895991375).

Almost surely, 21031020232312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031020232312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116671724000).

1031020232312 is an abundant number, since it is smaller than the sum of its proper divisors (1202323215688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031020232312 is a wasteful number, since it uses less digits than its factorization.

1031020232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174936 (or 174932 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1031020232312 its reverse (2132320201301), we get a palindrome (3163340433613).

The spelling of 1031020232312 in words is "one trillion, thirty-one billion, twenty million, two hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 101 202 404 707 808 1049 1414 2098 2828 4196 5656 7343 8392 14686 29372 58744 105949 173773 211898 347546 423796 695092 741643 847592 1216411 1390184 1483286 2432822 2966572 4865644 5933144 9731288 17551073 35102146 70204292 122857511 140408584 182287877 245715022 364575754 491430044 729151508 982860088 1276015139 1458303016 2552030278 5104060556 10208121112 18411075577 36822151154 73644302308 128877529039 147288604616 257755058078 515510116156 1031020232312