13131031013400 has 96 divisors (see below), whose sum is σ = 40752297668160. Its totient is φ = 3497642547840.

The previous prime is 13131031013393. The next prime is 13131031013437. The reversal of 13131031013400 is 431013013131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11862642 + ... + 12922241.

It is an arithmetic number, because the mean of its divisors is an integer number (424503100710).

Almost surely, 2^{13131031013400} is an apocalyptic number.

13131031013400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131031013400 is an abundant number, since it is smaller than the sum of its proper divisors (27621266654760).

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

13131031013400 is a wasteful number, since it uses less digits than its factorization.

13131031013400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24785785 (or 24785776 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13131031013400 its reverse (431013013131), we get a palindrome (13562044026531).

The spelling of 13131031013400 in words is "thirteen trillion, one hundred thirty-one billion, thirty-one million, thirteen thousand, four hundred".