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1031223414 = 2313107157787
BaseRepresentation
bin111101011101110…
…011100001110110
32122212102120120210
4331131303201312
54102443122124
6250154410250
734361153154
oct7535634166
92585376523
101031223414
1148a10a461
12249430986
1313584cc90
149ad583d4
15607eca29
hex3d773876

1031223414 has 64 divisors (see below), whose sum is σ = 2259000576. Its totient is φ = 311935104.

The previous prime is 1031223407. The next prime is 1031223437. The reversal of 1031223414 is 4143221301.

It is a super-3 number, since 3×10312234143 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1309929 + ... + 1310715.

It is an arithmetic number, because the mean of its divisors is an integer number (35296884).

Almost surely, 21031223414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031223414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129500288).

1031223414 is an abundant number, since it is smaller than the sum of its proper divisors (1227777162).

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

1031223414 is a wasteful number, since it uses less digits than its factorization.

1031223414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1031223414 is about 32112.6675005363. The cubic root of 1031223414 is about 1010.3013230278.

Adding to 1031223414 its reverse (4143221301), we get a palindrome (5174444715).

The spelling of 1031223414 in words is "one billion, thirty-one million, two hundred twenty-three thousand, four hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 107 157 214 314 321 471 642 787 942 1391 1574 2041 2361 2782 4082 4173 4722 6123 8346 10231 12246 16799 20462 30693 33598 50397 61386 84209 100794 123559 168418 218387 247118 252627 370677 436774 505254 655161 741354 1094717 1310322 1606267 2189434 3212534 3284151 4818801 6568302 9637602 13220813 26441626 39662439 79324878 171870569 343741138 515611707 1031223414