210131013120 has 160 divisors (see below), whose sum is σ = 767728862208. Its totient is φ = 48029933568.

The previous prime is 210131013109. The next prime is 210131013137. The reversal of 210131013120 is 21310131012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×210131013120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 210131013120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1900584 + ... + 2008103.

Almost surely, 2^210131013120 is an apocalyptic number.

210131013120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210131013120 is an abundant number, since it is smaller than the sum of its proper divisors (557597849088).

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

210131013120 is an equidigital number, since it uses as much as digits as its factorization.

210131013120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908720 (or 3908704 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 210131013120 its reverse (21310131012), we get a palindrome (231441144132).

The spelling of 210131013120 in words is "two hundred ten billion, one hundred thirty-one million, thirteen thousand, one hundred twenty".