131503166472 has 32 divisors (see below), whose sum is σ = 346060965600. Its totient is φ = 41527315584.

The previous prime is 131503166461. The next prime is 131503166489. The reversal of 131503166472 is 274661305131.

It is a self number, because there is not a number n which added to its sum of digits gives 131503166472.

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, 144191613 + ... + 144192524.

It is an arithmetic number, because the mean of its divisors is an integer number (10814405175).

Almost surely, 2^131503166472 is an apocalyptic number.

131503166472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131503166472 is an abundant number, since it is smaller than the sum of its proper divisors (214557799128).

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

131503166472 is a wasteful number, since it uses less digits than its factorization.

131503166472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288384165 (or 288384161 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 131503166472 in words is "one hundred thirty-one billion, five hundred three million, one hundred sixty-six thousand, four hundred seventy-two".