103131132220 has 24 divisors (see below), whose sum is σ = 216690717600. Its totient is φ = 41230483392.

The previous prime is 103131132211. The next prime is 103131132259. The reversal of 103131132220 is 22231131301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334575 + ... + 1409734.

It is an arithmetic number, because the mean of its divisors is an integer number (9028779900).

Almost surely, 2^103131132220 is an apocalyptic number.

103131132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103131132220 is an abundant number, since it is smaller than the sum of its proper divisors (113559585380).

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

103131132220 is a wasteful number, since it uses less digits than its factorization.

103131132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746197 (or 2746195 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103131132220 its reverse (22231131301), we get a palindrome (125362263521).

The spelling of 103131132220 in words is "one hundred three billion, one hundred thirty-one million, one hundred thirty-two thousand, two hundred twenty".