13123131210 has 96 divisors (see below), whose sum is σ = 39576580992. Its totient is φ = 2954793600.

The previous prime is 13123131173. The next prime is 13123131221. The reversal of 13123131210 is 1213132131.

13123131210 is a `hidden beast` number, since 1 + 312 + 31 + 312 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113241 + ... + 197660.

It is an arithmetic number, because the mean of its divisors is an integer number (412256052).

Almost surely, 2^13123131210 is an apocalyptic number.

13123131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123131210 is an abundant number, since it is smaller than the sum of its proper divisors (26453449782).

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

13123131210 is a wasteful number, since it uses less digits than its factorization.

13123131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310988 (or 310985 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13123131210 its reverse (1213132131), we get a palindrome (14336263341).

The spelling of 13123131210 in words is "thirteen billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred ten".