131031021403104 has 48 divisors (see below), whose sum is σ = 343959769625472. Its totient is φ = 43676583205248.

The previous prime is 131031021403099. The next prime is 131031021403229. The reversal of 131031021403104 is 401304120130131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 3396957 + ... + 16540899.

It is an arithmetic number, because the mean of its divisors is an integer number (7165828533864).

Almost surely, 2^{131031021403104} is an apocalyptic number.

It is an amenable number.

131031021403104 is an abundant number, since it is smaller than the sum of its proper divisors (212928748222368).

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

131031021403104 is a wasteful number, since it uses less digits than its factorization.

131031021403104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13247799 (or 13247791 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131031021403104 its reverse (401304120130131), we get a palindrome (532335141533235).

The spelling of 131031021403104 in words is "one hundred thirty-one trillion, thirty-one billion, twenty-one million, four hundred three thousand, one hundred four".