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31013103311132 = 22431058917027929
BaseRepresentation
bin1110000110100110011010…
…00000011001100100011100
311001210211020111022100122212
413003103031000121210130
513031104313421424012
6145543120055055552
76350423416425425
oct703231500314434
9131724214270585
1031013103311132
1199776463445a8
12358a6696715b8
13143c6a530c417
14793083b7264c
1538bac6a9cb22
hex1c34cd01991c

31013103311132 has 24 divisors (see below), whose sum is σ = 55540339839600. Its totient is φ = 15144502939776.

The previous prime is 31013103311009. The next prime is 31013103311159. The reversal of 31013103311132 is 23111330131013.

It is a junction number, because it is equal to n+sod(n) for n = 31013103311098 and 31013103311107.

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 7 ways as a sum of consecutive naturals, for example, 6692657 + ... + 10335272.

It is an arithmetic number, because the mean of its divisors is an integer number (2314180826650).

Almost surely, 231013103311132 is an apocalyptic number.

It is an amenable number.

31013103311132 is a deficient number, since it is larger than the sum of its proper divisors (24527236528468).

31013103311132 is a wasteful number, since it uses less digits than its factorization.

31013103311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17038565 (or 17038563 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 31013103311132 its reverse (23111330131013), we get a palindrome (54124433442145).

The spelling of 31013103311132 in words is "thirty-one trillion, thirteen billion, one hundred three million, three hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 43 86 172 10589 21178 42356 455327 910654 1821308 17027929 34055858 68111716 732200947 1464401894 2928803788 180308740181 360617480362 721234960724 7753275827783 15506551655566 31013103311132