158233612931 has 2 divisors, whose sum is σ = 158233612932. Its totient is φ = 158233612930.

The previous prime is 158233612837. The next prime is 158233612963. The reversal of 158233612931 is 139216332851.

158233612931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158233612931 - 2³⁰ = 157159871107 is a prime.

It is a super-2 number, since 2×158233612931² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (158233612981) 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 as a sum of consecutive naturals, namely, 79116806465 + 79116806466.

It is an arithmetic number, because the mean of its divisors is an integer number (79116806466).

Almost surely, 2^158233612931 is an apocalyptic number.

158233612931 is a deficient number, since it is larger than the sum of its proper divisors (1).

158233612931 is an equidigital number, since it uses as much as digits as its factorization.

158233612931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The spelling of 158233612931 in words is "one hundred fifty-eight billion, two hundred thirty-three million, six hundred twelve thousand, nine hundred thirty-one".