101023231131 has 32 divisors (see below), whose sum is σ = 156354232320. Its totient is φ = 64345102272.

The previous prime is 101023231109. The next prime is 101023231193. The reversal of 101023231131 is 131132320101.

It is not a de Polignac number, because 101023231131 - 2⁷ = 101023231003 is a prime.

It is a super-2 number, since 2×101023231131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101023231031) 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, 437286 + ... + 627108.

It is an arithmetic number, because the mean of its divisors is an integer number (4886069760).

Almost surely, 2^101023231131 is an apocalyptic number.

101023231131 is a deficient number, since it is larger than the sum of its proper divisors (55331001189).

101023231131 is a wasteful number, since it uses less digits than its factorization.

101023231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190712 (or 190706 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101023231131 its reverse (131132320101), we get a palindrome (232155551232).

The spelling of 101023231131 in words is "one hundred one billion, twenty-three million, two hundred thirty-one thousand, one hundred thirty-one".