101231320331031 has 32 divisors (see below), whose sum is σ = 156417298540800. Its totient is φ = 57590005294080.

The previous prime is 101231320331023. The next prime is 101231320331033. The reversal of 101231320331031 is 130133023132101.

It is not a de Polignac number, because 101231320331031 - 2³ = 101231320331023 is a prime.

It is a super-2 number, since 2×101231320331031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101231320330992 and 101231320331010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231320331033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740543866 + ... + 740680551.

It is an arithmetic number, because the mean of its divisors is an integer number (4888040579400).

Almost surely, 2^{101231320331031} is an apocalyptic number.

101231320331031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101231320331031 is a deficient number, since it is larger than the sum of its proper divisors (55185978209769).

101231320331031 is a wasteful number, since it uses less digits than its factorization.

101231320331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481224559.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 101231320331031 its reverse (130133023132101), we get a palindrome (231364343463132).

The spelling of 101231320331031 in words is "one hundred one trillion, two hundred thirty-one billion, three hundred twenty million, three hundred thirty-one thousand, thirty-one".