2031122120130 has 40 divisors (see below), whose sum is σ = 5461461702972. Its totient is φ = 541632565152.

The previous prime is 2031122120129. The next prime is 2031122120201. The reversal of 2031122120130 is 310212211302.

2031122120130 is a `hidden beast` number, since 2 + 0 + 311 + 221 + 2 + 0 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1956761738649 + 74360381481 = 1398843^2 + 272691^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1253778277 + ... + 1253779896.

Almost surely, 2^{2031122120130} is an apocalyptic number.

2031122120130 is an abundant number, since it is smaller than the sum of its proper divisors (3430339582842).

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

2031122120130 is a wasteful number, since it uses less digits than its factorization.

2031122120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507558192 (or 2507558183 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2031122120130 its reverse (310212211302), we get a palindrome (2341334331432).

The spelling of 2031122120130 in words is "two trillion, thirty-one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred thirty".