131503143320 has 64 divisors (see below), whose sum is σ = 299030862240. Its totient is φ = 52042240000.

The previous prime is 131503143301. The next prime is 131503143371. The reversal of 131503143320 is 23341305131.

It is a self number, because there is not a number n which added to its sum of digits gives 131503143320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5850824 + ... + 5873256.

Almost surely, 2^131503143320 is an apocalyptic number.

131503143320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131503143320 is an abundant number, since it is smaller than the sum of its proper divisors (167527718920).

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

131503143320 is a wasteful number, since it uses less digits than its factorization.

131503143320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23996 (or 23992 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 131503143320 its reverse (23341305131), we get a palindrome (154844448451).

The spelling of 131503143320 in words is "one hundred thirty-one billion, five hundred three million, one hundred forty-three thousand, three hundred twenty".