131032104220 has 24 divisors (see below), whose sum is σ = 276855569424. Its totient is φ = 52091289216.

The previous prime is 131032104197. The next prime is 131032104323. The reversal of 131032104220 is 22401230131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20093689 + ... + 20100208.

It is an arithmetic number, because the mean of its divisors is an integer number (11535648726).

Almost surely, 2^131032104220 is an apocalyptic number.

131032104220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131032104220 is an abundant number, since it is smaller than the sum of its proper divisors (145823465204).

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

131032104220 is a wasteful number, since it uses less digits than its factorization.

131032104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40194069 (or 40194067 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131032104220 its reverse (22401230131), we get a palindrome (153433334351).

The spelling of 131032104220 in words is "one hundred thirty-one billion, thirty-two million, one hundred four thousand, two hundred twenty".