101123311031 has 8 divisors (see below), whose sum is σ = 105524143584. Its totient is φ = 96722825760.

The previous prime is 101123310997. The next prime is 101123311043. The reversal of 101123311031 is 130113321101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101123311031 - 2²² = 101119116727 is a prime.

It is a super-2 number, since 2×101123311031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101123311231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636545 + ... + 779381.

It is an arithmetic number, because the mean of its divisors is an integer number (13190517948).

Almost surely, 2^101123311031 is an apocalyptic number.

101123311031 is a deficient number, since it is larger than the sum of its proper divisors (4400832553).

101123311031 is a wasteful number, since it uses less digits than its factorization.

101123311031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173641.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 101123311031 its reverse (130113321101), we get a palindrome (231236632132).

The spelling of 101123311031 in words is "one hundred one billion, one hundred twenty-three million, three hundred eleven thousand, thirty-one".