2113408431 has 12 divisors (see below), whose sum is σ = 3232271952. Its totient is φ = 1326060096.

The previous prime is 2113408421. The next prime is 2113408433. The reversal of 2113408431 is 1348043112.

2113408431 is a `hidden beast` number, since 211 + 3 + 408 + 43 + 1 = 666.

It is not a de Polignac number, because 2113408431 - 2¹⁰ = 2113407407 is a prime.

It is a super-2 number, since 2×2113408431² = 8932990392443763522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2113408395 and 2113408404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113408433) 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, 6906411 + ... + 6906716.

It is an arithmetic number, because the mean of its divisors is an integer number (269355996).

Almost surely, 2^2113408431 is an apocalyptic number.

2113408431 is a deficient number, since it is larger than the sum of its proper divisors (1118863521).

2113408431 is a wasteful number, since it uses less digits than its factorization.

2113408431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813150 (or 13813147 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2113408431 is about 45971.8221413944. The cubic root of 2113408431 is about 1283.2988700627.

The spelling of 2113408431 in words is "two billion, one hundred thirteen million, four hundred eight thousand, four hundred thirty-one".