113431207 has 4 divisors (see below), whose sum is σ = 113453560. Its totient is φ = 113408856.

The previous prime is 113431189. The next prime is 113431231. The reversal of 113431207 is 702134311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702134311 = 37 ⋅18976603.

It is a cyclic number.

It is not a de Polignac number, because 113431207 - 2⁷ = 113431079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113431907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508 + ... + 15070.

It is an arithmetic number, because the mean of its divisors is an integer number (28363390).

Almost surely, 2^113431207 is an apocalyptic number.

113431207 is a deficient number, since it is larger than the sum of its proper divisors (22353).

113431207 is an equidigital number, since it uses as much as digits as its factorization.

113431207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22352.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 113431207 is about 10650.4087714979. The cubic root of 113431207 is about 484.0729903239.

Adding to 113431207 its reverse (702134311), we get a palindrome (815565518).

The spelling of 113431207 in words is "one hundred thirteen million, four hundred thirty-one thousand, two hundred seven".