157631046231 has 16 divisors (see below), whose sum is σ = 210985496064. Its totient is φ = 104682759264.

The previous prime is 157631046217. The next prime is 157631046233. The reversal of 157631046231 is 132640136751.

157631046231 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 157631046231 - 2⁷ = 157631046103 is a prime.

It is a super-2 number, since 2×157631046231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157631046231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157631046233) 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 15 ways as a sum of consecutive naturals, for example, 716926 + ... + 910628.

It is an arithmetic number, because the mean of its divisors is an integer number (13186593504).

Almost surely, 2^157631046231 is an apocalyptic number.

157631046231 is a deficient number, since it is larger than the sum of its proper divisors (53354449833).

157631046231 is a wasteful number, since it uses less digits than its factorization.

157631046231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194750.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 157631046231 in words is "one hundred fifty-seven billion, six hundred thirty-one million, forty-six thousand, two hundred thirty-one".