231153613047 has 96 divisors (see below), whose sum is σ = 412259328000. Its totient is φ = 121884086016.

The previous prime is 231153613043. The next prime is 231153613049. The reversal of 231153613047 is 740316351132.

231153613047 is a `hidden beast` number, since 2 + 31 + 1 + 5 + 3 + 613 + 0 + 4 + 7 = 666.

It is not a de Polignac number, because 231153613047 - 2² = 231153613043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231153613043) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 96352954 + ... + 96355352.

It is an arithmetic number, because the mean of its divisors is an integer number (4294368000).

Almost surely, 2^231153613047 is an apocalyptic number.

231153613047 is a deficient number, since it is larger than the sum of its proper divisors (181105714953).

231153613047 is a wasteful number, since it uses less digits than its factorization.

231153613047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757 (or 4754 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Adding to 231153613047 its reverse (740316351132), we get a palindrome (971469964179).

The spelling of 231153613047 in words is "two hundred thirty-one billion, one hundred fifty-three million, six hundred thirteen thousand, forty-seven".