131044352420 has 48 divisors (see below), whose sum is σ = 302271661440. Its totient is φ = 47499826176.

The previous prime is 131044352399. The next prime is 131044352429. The reversal of 131044352420 is 24253440131.

It is a super-3 number, since 3×131044352420³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131044352429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7488077 + ... + 7505556.

It is an arithmetic number, because the mean of its divisors is an integer number (6297326280).

Almost surely, 2^131044352420 is an apocalyptic number.

131044352420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131044352420 is an abundant number, since it is smaller than the sum of its proper divisors (171227309020).

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

131044352420 is a wasteful number, since it uses less digits than its factorization.

131044352420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14993684 (or 14993682 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 131044352420 its reverse (24253440131), we get a palindrome (155297792551).

The spelling of 131044352420 in words is "one hundred thirty-one billion, forty-four million, three hundred fifty-two thousand, four hundred twenty".