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31013230332122 = 2196113379305579
BaseRepresentation
bin1110000110100110101001…
…00100111100100011011010
311001210211120100022200200222
413003103110210330203122
513031110043431111442
6145543140433400042
76350426521201133
oct703232444744332
9131724510280628
1031013230332122
119977701011325
12358a6a4109022
13143c6c5723c7c
14793096998c8a
1538bad2cdd8d2
hex1c34d493c8da

31013230332122 has 16 divisors (see below), whose sum is σ = 49771016757600. Its totient is φ = 14449650024240.

The previous prime is 31013230332113. The next prime is 31013230332137. The reversal of 31013230332122 is 22123303231013.

It is a junction number, because it is equal to n+sod(n) for n = 31013230332091 and 31013230332100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6689650472 + ... + 6689655107.

It is an arithmetic number, because the mean of its divisors is an integer number (3110688547350).

Almost surely, 231013230332122 is an apocalyptic number.

31013230332122 is a deficient number, since it is larger than the sum of its proper divisors (18757786425478).

31013230332122 is a wasteful number, since it uses less digits than its factorization.

31013230332122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13379305661.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31013230332122 its reverse (22123303231013), we get a palindrome (53136533563135).

The spelling of 31013230332122 in words is "thirty-one trillion, thirteen billion, two hundred thirty million, three hundred thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 19 38 61 122 1159 2318 13379305579 26758611158 254206806001 508413612002 816137640319 1632275280638 15506615166061 31013230332122