131231110000 has 50 divisors (see below), whose sum is σ = 317723664632. Its totient is φ = 52492440000.

The previous prime is 131231109983. The next prime is 131231110061. The reversal of 131231110000 is 11132131.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6551556 + ... + 6571555.

Almost surely, 2^131231110000 is an apocalyptic number.

131231110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131231110000 is an abundant number, since it is smaller than the sum of its proper divisors (186492554632).

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

131231110000 is an equidigital number, since it uses as much as digits as its factorization.

131231110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13123139 (or 13123118 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 131231110000 its reverse (11132131), we get a palindrome (131242242131).

The spelling of 131231110000 in words is "one hundred thirty-one billion, two hundred thirty-one million, one hundred ten thousand".