231476777157 has 32 divisors (see below), whose sum is σ = 324461836800. Its totient is φ = 146583315648.

The previous prime is 231476777093. The next prime is 231476777171. The reversal of 231476777157 is 751777674132.

231476777157 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 231476777157 - 2⁶ = 231476777093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231476777097 and 231476777106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231476777177) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4562194 + ... + 4612652.

It is an arithmetic number, because the mean of its divisors is an integer number (10139432400).

Almost surely, 2^231476777157 is an apocalyptic number.

It is an amenable number.

231476777157 is a deficient number, since it is larger than the sum of its proper divisors (92985059643).

231476777157 is a wasteful number, since it uses less digits than its factorization.

231476777157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51345.

The product of its digits is 12101040, while the sum is 57.

The spelling of 231476777157 in words is "two hundred thirty-one billion, four hundred seventy-six million, seven hundred seventy-seven thousand, one hundred fifty-seven".