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31113231013302 = 2317893427322209
BaseRepresentation
bin1110001001100000111010…
…00101010001010110110110
311002011101200120020122100120
413010300131011101112312
513034224344114411202
6150101115423152410
76360566604024444
oct704603505212666
9132141616218316
1031113231013302
119a06057872189
1235a5b52145706
131448c71411779
14797c61b55b94
1538e4d71100bc
hex1c4c1d1515b6

31113231013302 has 32 divisors (see below), whose sum is σ = 66627143762400. Its totient is φ = 9651339337728.

The previous prime is 31113231013301. The next prime is 31113231013309. The reversal of 31113231013302 is 20331013231113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113231013301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1713652027 + ... + 1713670182.

It is an arithmetic number, because the mean of its divisors is an integer number (2082098242575).

Almost surely, 231113231013302 is an apocalyptic number.

31113231013302 is an abundant number, since it is smaller than the sum of its proper divisors (35513912749098).

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

31113231013302 is a wasteful number, since it uses less digits than its factorization.

31113231013302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427322320.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31113231013302 its reverse (20331013231113), we get a palindrome (51444244244415).

The spelling of 31113231013302 in words is "thirty-one trillion, one hundred thirteen billion, two hundred thirty-one million, thirteen thousand, three hundred two".

Divisors: 1 2 3 6 17 34 51 89 102 178 267 534 1513 3026 4539 9078 3427322209 6854644418 10281966627 20563933254 58264477553 116528955106 174793432659 305031676601 349586865318 610063353202 915095029803 1830190059606 5185538502217 10371077004434 15556615506651 31113231013302