2112311002131 has 24 divisors (see below), whose sum is σ = 3339850144176. Its totient is φ = 1275819224640.

The previous prime is 2112311002127. The next prime is 2112311002159. The reversal of 2112311002131 is 1312001132112.

2112311002131 is a `hidden beast` number, since 211 + 231 + 10 + 0 + 213 + 1 = 666.

It is not a de Polignac number, because 2112311002131 - 2² = 2112311002127 is a prime.

It is a super-2 number, since 2×2112311002131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112311002231) 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, 36381360 + ... + 36439373.

It is an arithmetic number, because the mean of its divisors is an integer number (139160422674).

Almost surely, 2^{2112311002131} is an apocalyptic number.

2112311002131 is a deficient number, since it is larger than the sum of its proper divisors (1227539142045).

2112311002131 is a wasteful number, since it uses less digits than its factorization.

2112311002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72821043 (or 72821040 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2112311002131 its reverse (1312001132112), we get a palindrome (3424312134243).

The spelling of 2112311002131 in words is "two trillion, one hundred twelve billion, three hundred eleven million, two thousand, one hundred thirty-one".