231316011 has 12 divisors (see below), whose sum is σ = 334258080. Its totient is φ = 154148400.

The previous prime is 231316003. The next prime is 231316031. The reversal of 231316011 is 110613132.

231316011 is a `hidden beast` number, since 2 + 31 + 31 + 601 + 1 = 666.

It is not a de Polignac number, because 231316011 - 2³ = 231316003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231316031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33561 + ... + 39861.

It is an arithmetic number, because the mean of its divisors is an integer number (27854840).

Almost surely, 2^231316011 is an apocalyptic number.

231316011 is a deficient number, since it is larger than the sum of its proper divisors (102942069).

231316011 is a wasteful number, since it uses less digits than its factorization.

231316011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10386 (or 10383 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 231316011 is about 15209.0765991891. The cubic root of 231316011 is about 613.8589112669.

Adding to 231316011 its reverse (110613132), we get a palindrome (341929143).

The spelling of 231316011 in words is "two hundred thirty-one million, three hundred sixteen thousand, eleven".