2113376431 has 6 divisors (see below), whose sum is σ = 2154006680. Its totient is φ = 2073498648.

The previous prime is 2113376429. The next prime is 2113376443. The reversal of 2113376431 is 1346733112.

It is not a de Polignac number, because 2113376431 - 2¹ = 2113376429 is a prime.

It is a super-2 number, since 2×2113376431² = 8932719878212595522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113376393 and 2113376402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113376411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373371 + ... + 378988.

Almost surely, 2^2113376431 is an apocalyptic number.

2113376431 is a deficient number, since it is larger than the sum of its proper divisors (40630249).

2113376431 is an frugal number, since it uses more digits than its factorization.

2113376431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752465 (or 752412 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 2113376431 is about 45971.4741007943. The cubic root of 2113376431 is about 1283.2923930419.

The spelling of 2113376431 in words is "two billion, one hundred thirteen million, three hundred seventy-six thousand, four hundred thirty-one".