2031131301121 has 12 divisors (see below), whose sum is σ = 2227231102080. Its totient is φ = 1851157629360.

The previous prime is 2031131301083. The next prime is 2031131301131. The reversal of 2031131301121 is 1211031311302.

It is not a de Polignac number, because 2031131301121 - 2¹⁷ = 2031131170049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031131301131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76053285 + ... + 76079986.

It is an arithmetic number, because the mean of its divisors is an integer number (185602591840).

Almost surely, 2^{2031131301121} is an apocalyptic number.

It is an amenable number.

2031131301121 is a deficient number, since it is larger than the sum of its proper divisors (196099800959).

2031131301121 is a wasteful number, since it uses less digits than its factorization.

2031131301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152133376 (or 152133363 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2031131301121 its reverse (1211031311302), we get a palindrome (3242162612423).

The spelling of 2031131301121 in words is "two trillion, thirty-one billion, one hundred thirty-one million, three hundred one thousand, one hundred twenty-one".