131203210120 has 32 divisors (see below), whose sum is σ = 295303377600. Its totient is φ = 52464189888.

The previous prime is 131203210111. The next prime is 131203210141. The reversal of 131203210120 is 21012302131.

It is a junction number, because it is equal to n+sod(n) for n = 131203210094 and 131203210103.

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, 409494 + ... + 655813.

It is an arithmetic number, because the mean of its divisors is an integer number (9228230550).

Almost surely, 2^131203210120 is an apocalyptic number.

131203210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131203210120 is an abundant number, since it is smaller than the sum of its proper divisors (164100167480).

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

131203210120 is a wasteful number, since it uses less digits than its factorization.

131203210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068397 (or 1068393 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131203210120 its reverse (21012302131), we get a palindrome (152215512251).

The spelling of 131203210120 in words is "one hundred thirty-one billion, two hundred three million, two hundred ten thousand, one hundred twenty".