31234113 has 8 divisors (see below), whose sum is σ = 46272800. Its totient is φ = 20822724.

The previous prime is 31234109. The next prime is 31234141. The reversal of 31234113 is 31143213.

31234113 is a `hidden beast` number, since 312 + 341 + 13 = 666.

It is not a de Polignac number, because 31234113 - 2² = 31234109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31234183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578383 + ... + 578436.

It is an arithmetic number, because the mean of its divisors is an integer number (5784100).

Almost surely, 2^31234113 is an apocalyptic number.

It is an amenable number.

31234113 is a deficient number, since it is larger than the sum of its proper divisors (15038687).

31234113 is a wasteful number, since it uses less digits than its factorization.

31234113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156828 (or 1156822 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 31234113 is about 5588.7487866248. The cubic root of 31234113 is about 314.9268764506.

Adding to 31234113 its reverse (31143213), we get a palindrome (62377326).

The spelling of 31234113 in words is "thirty-one million, two hundred thirty-four thousand, one hundred thirteen".