131103022220 has 24 divisors (see below), whose sum is σ = 275578347408. Its totient is φ = 52391304000.

The previous prime is 131103022213. The next prime is 131103022327. The reversal of 131103022220 is 22220301131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3097511 + ... + 3139550.

It is an arithmetic number, because the mean of its divisors is an integer number (11482431142).

Almost surely, 2^131103022220 is an apocalyptic number.

131103022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131103022220 is an abundant number, since it is smaller than the sum of its proper divisors (144475325188).

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

131103022220 is a wasteful number, since it uses less digits than its factorization.

131103022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238121 (or 6238119 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 131103022220 its reverse (22220301131), we get a palindrome (153323323351).

The spelling of 131103022220 in words is "one hundred thirty-one billion, one hundred three million, twenty-two thousand, two hundred twenty".