231007113 has 16 divisors (see below), whose sum is σ = 346923840. Its totient is φ = 151893792.

The previous prime is 231007109. The next prime is 231007129. The reversal of 231007113 is 311700132.

231007113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231007113 - 2² = 231007109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231007163) 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, 56631 + ... + 60572.

It is an arithmetic number, because the mean of its divisors is an integer number (21682740).

Almost surely, 2^231007113 is an apocalyptic number.

It is an amenable number.

231007113 is a deficient number, since it is larger than the sum of its proper divisors (115916727).

231007113 is a wasteful number, since it uses less digits than its factorization.

231007113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117285 (or 117279 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 231007113 is about 15198.9181522897. The cubic root of 231007113 is about 613.5855417214.

Adding to 231007113 its reverse (311700132), we get a palindrome (542707245).

The spelling of 231007113 in words is "two hundred thirty-one million, seven thousand, one hundred thirteen".