103131231003 has 24 divisors (see below), whose sum is σ = 152451611312. Its totient is φ = 67146444288.

The previous prime is 103131231001. The next prime is 103131231029. The reversal of 103131231003 is 300132131301.

It is a happy number.

103131231003 is a `hidden beast` number, since 10 + 31 + 312 + 310 + 0 + 3 = 666.

It is not a de Polignac number, because 103131231003 - 2¹ = 103131231001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103131231001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4381875 + ... + 4405347.

Almost surely, 2^103131231003 is an apocalyptic number.

103131231003 is a deficient number, since it is larger than the sum of its proper divisors (49320380309).

103131231003 is a wasteful number, since it uses less digits than its factorization.

103131231003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34875 (or 34872 counting only the distinct ones).

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

Adding to 103131231003 its reverse (300132131301), we get a palindrome (403263362304).

The spelling of 103131231003 in words is "one hundred three billion, one hundred thirty-one million, two hundred thirty-one thousand, three".