113751213 has 4 divisors (see below), whose sum is σ = 151668288. Its totient is φ = 75834140.

The previous prime is 113751203. The next prime is 113751217. The reversal of 113751213 is 312157311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113751213 - 2⁵ = 113751181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113751217) 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, 18958533 + ... + 18958538.

It is an arithmetic number, because the mean of its divisors is an integer number (37917072).

Almost surely, 2^113751213 is an apocalyptic number.

It is an amenable number.

113751213 is a deficient number, since it is larger than the sum of its proper divisors (37917075).

113751213 is an equidigital number, since it uses as much as digits as its factorization.

113751213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37917074.

The product of its digits is 630, while the sum is 24.

The square root of 113751213 is about 10665.4213700163. The cubic root of 113751213 is about 484.5277764516.

The spelling of 113751213 in words is "one hundred thirteen million, seven hundred fifty-one thousand, two hundred thirteen".