2113667583931 has 2 divisors, whose sum is σ = 2113667583932. Its totient is φ = 2113667583930.

The previous prime is 2113667583893. The next prime is 2113667583949. The reversal of 2113667583931 is 1393857663112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113667583931 - 2¹⁷ = 2113667452859 is a prime.

It is a super-2 number, since 2×2113667583931² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2113667583331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056833791965 + 1056833791966.

It is an arithmetic number, because the mean of its divisors is an integer number (1056833791966).

Almost surely, 2^{2113667583931} is an apocalyptic number.

2113667583931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113667583931 is an equidigital number, since it uses as much as digits as its factorization.

2113667583931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 55.

The spelling of 2113667583931 in words is "two trillion, one hundred thirteen billion, six hundred sixty-seven million, five hundred eighty-three thousand, nine hundred thirty-one".