113453431 has 16 divisors (see below), whose sum is σ = 141085504. Its totient is φ = 88833024.

The previous prime is 113453429. The next prime is 113453453. The reversal of 113453431 is 134354311.

It is not a de Polignac number, because 113453431 - 2¹ = 113453429 is a prime.

It is a super-2 number, since 2×113453431² = 25743362011343522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113453396 and 113453405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113450431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2401 + ... + 15253.

It is an arithmetic number, because the mean of its divisors is an integer number (8817844).

Almost surely, 2^113453431 is an apocalyptic number.

113453431 is a deficient number, since it is larger than the sum of its proper divisors (27632073).

113453431 is a wasteful number, since it uses less digits than its factorization.

113453431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12970.

The product of its digits is 2160, while the sum is 25.

The square root of 113453431 is about 10651.4520606347. The cubic root of 113453431 is about 484.1046022466.

The spelling of 113453431 in words is "one hundred thirteen million, four hundred fifty-three thousand, four hundred thirty-one".