131330311770 has 128 divisors (see below), whose sum is σ = 372045053952. Its totient is φ = 29034028800.

The previous prime is 131330311759. The next prime is 131330311807. The reversal of 131330311770 is 77113033131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14883960 + ... + 14892780.

It is an arithmetic number, because the mean of its divisors is an integer number (2906601984).

Almost surely, 2^131330311770 is an apocalyptic number.

131330311770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131330311770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186022526976).

131330311770 is an abundant number, since it is smaller than the sum of its proper divisors (240714742182).

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

131330311770 is a wasteful number, since it uses less digits than its factorization.

131330311770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11156.

The product of its (nonzero) digits is 3969, while the sum is 30.

The spelling of 131330311770 in words is "one hundred thirty-one billion, three hundred thirty million, three hundred eleven thousand, seven hundred seventy".