70831113 has 4 divisors (see below), whose sum is σ = 94441488. Its totient is φ = 47220740.

The previous prime is 70831087. The next prime is 70831177. The reversal of 70831113 is 31113807.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31113807 = 3 ⋅10371269.

It is a cyclic number.

It is not a de Polignac number, because 70831113 - 2⁵ = 70831081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70831613) 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, 11805183 + ... + 11805188.

It is an arithmetic number, because the mean of its divisors is an integer number (23610372).

Almost surely, 2^70831113 is an apocalyptic number.

It is an amenable number.

70831113 is a deficient number, since it is larger than the sum of its proper divisors (23610375).

70831113 is a wasteful number, since it uses less digits than its factorization.

70831113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23610374.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 70831113 is about 8416.1222068124. The cubic root of 70831113 is about 413.7531901921.

The spelling of 70831113 in words is "seventy million, eight hundred thirty-one thousand, one hundred thirteen".