2101203031131 has 24 divisors (see below), whose sum is σ = 3038975873024. Its totient is φ = 1399000371120.

The previous prime is 2101203031111. The next prime is 2101203031141. The reversal of 2101203031131 is 1311303021012.

2101203031131 is a `hidden beast` number, since 210 + 1 + 20 + 303 + 1 + 131 = 666.

It is not a de Polignac number, because 2101203031131 - 2⁵ = 2101203031099 is a prime.

It is a super-2 number, since 2×2101203031131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101203031111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51169650 + ... + 51210696.

Almost surely, 2^{2101203031131} is an apocalyptic number.

2101203031131 is a deficient number, since it is larger than the sum of its proper divisors (937772841893).

2101203031131 is a wasteful number, since it uses less digits than its factorization.

2101203031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48231 (or 48228 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2101203031131 its reverse (1311303021012), we get a palindrome (3412506052143).

The spelling of 2101203031131 in words is "two trillion, one hundred one billion, two hundred three million, thirty-one thousand, one hundred thirty-one".