101231331131 has 8 divisors (see below), whose sum is σ = 115847007744. Its totient is φ = 86654169000.

The previous prime is 101231331041. The next prime is 101231331133. The reversal of 101231331131 is 131133132101.

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

It is not a de Polignac number, because 101231331131 - 2¹⁸ = 101231068987 is a prime.

It is a super-2 number, since 2×101231331131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101231331133) 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, 9622985 + ... + 9633498.

It is an arithmetic number, because the mean of its divisors is an integer number (14480875968).

Almost surely, 2^101231331131 is an apocalyptic number.

101231331131 is a deficient number, since it is larger than the sum of its proper divisors (14615676613).

101231331131 is an equidigital number, since it uses as much as digits as its factorization.

101231331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19257241.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 101231331131 its reverse (131133132101), we get a palindrome (232364463232).

The spelling of 101231331131 in words is "one hundred one billion, two hundred thirty-one million, three hundred thirty-one thousand, one hundred thirty-one".