131025440104 has 32 divisors (see below), whose sum is σ = 264630975840. Its totient is φ = 60459480000.

The previous prime is 131025440099. The next prime is 131025440111. The reversal of 131025440104 is 401044520131.

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, 321379 + ... + 604429.

It is an arithmetic number, because the mean of its divisors is an integer number (8269717995).

Almost surely, 2^131025440104 is an apocalyptic number.

It is an amenable number.

131025440104 is an abundant number, since it is smaller than the sum of its proper divisors (133605535736).

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

131025440104 is a wasteful number, since it uses less digits than its factorization.

131025440104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287521 (or 287517 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 131025440104 its reverse (401044520131), we get a palindrome (532069960235).

The spelling of 131025440104 in words is "one hundred thirty-one billion, twenty-five million, four hundred forty thousand, one hundred four".