13105412031 has 16 divisors (see below), whose sum is σ = 17544893184. Its totient is φ = 8701494144.

The previous prime is 13105412017. The next prime is 13105412041. The reversal of 13105412031 is 13021450131.

It is not a de Polignac number, because 13105412031 - 2⁵ = 13105411999 is a prime.

It is a super-2 number, since 2×13105412031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13105411989 and 13105412007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105412041) 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, 987220 + ... + 1000406.

It is an arithmetic number, because the mean of its divisors is an integer number (1096555824).

Almost surely, 2^13105412031 is an apocalyptic number.

13105412031 is a deficient number, since it is larger than the sum of its proper divisors (4439481153).

13105412031 is a wasteful number, since it uses less digits than its factorization.

13105412031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14510.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 13105412031 its reverse (13021450131), we get a palindrome (26126862162).

The spelling of 13105412031 in words is "thirteen billion, one hundred five million, four hundred twelve thousand, thirty-one".