131437044220 has 12 divisors (see below), whose sum is σ = 276017792904. Its totient is φ = 52574817680.

The previous prime is 131437044217. The next prime is 131437044269. The reversal of 131437044220 is 22440734131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285926086 + ... + 3285926125.

It is an arithmetic number, because the mean of its divisors is an integer number (23001482742).

Almost surely, 2^131437044220 is an apocalyptic number.

131437044220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131437044220 is an abundant number, since it is smaller than the sum of its proper divisors (144580748684).

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

131437044220 is a wasteful number, since it uses less digits than its factorization.

131437044220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571852220 (or 6571852218 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 131437044220 its reverse (22440734131), we get a palindrome (153877778351).

The spelling of 131437044220 in words is "one hundred thirty-one billion, four hundred thirty-seven million, forty-four thousand, two hundred twenty".