231320234115 has 72 divisors (see below), whose sum is σ = 427305067488. Its totient is φ = 115738306560.

The previous prime is 231320234099. The next prime is 231320234153. The reversal of 231320234115 is 511432023132.

231320234115 is a `hidden beast` number, since 2 + 313 + 2 + 0 + 2 + 341 + 1 + 5 = 666.

231320234115 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 231320234115 - 2⁴ = 231320234099 is a prime.

It is a super-2 number, since 2×231320234115² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4015959 + ... + 4073151.

It is an arithmetic number, because the mean of its divisors is an integer number (5934792604).

Almost surely, 2^231320234115 is an apocalyptic number.

231320234115 is a deficient number, since it is larger than the sum of its proper divisors (195984833373).

231320234115 is a wasteful number, since it uses less digits than its factorization.

231320234115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57549 (or 57529 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 231320234115 its reverse (511432023132), we get a palindrome (742752257247).

The spelling of 231320234115 in words is "two hundred thirty-one billion, three hundred twenty million, two hundred thirty-four thousand, one hundred fifteen".