103231001331 has 48 divisors (see below), whose sum is σ = 167380731648. Its totient is φ = 60988723200.

The previous prime is 103231001327. The next prime is 103231001333. The reversal of 103231001331 is 133100132301.

It is a happy number.

103231001331 is a `hidden beast` number, since 1 + 0 + 323 + 10 + 0 + 1 + 331 = 666.

It is not a de Polignac number, because 103231001331 - 2² = 103231001327 is a prime.

It is a super-2 number, since 2×103231001331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103231001333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118630 + ... + 469611.

It is an arithmetic number, because the mean of its divisors is an integer number (3487098576).

Almost surely, 2^103231001331 is an apocalyptic number.

103231001331 is a deficient number, since it is larger than the sum of its proper divisors (64149730317).

103231001331 is a wasteful number, since it uses less digits than its factorization.

103231001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588332 (or 588329 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 103231001331 its reverse (133100132301), we get a palindrome (236331133632).

The spelling of 103231001331 in words is "one hundred three billion, two hundred thirty-one million, one thousand, three hundred thirty-one".