31130010003 has 32 divisors (see below), whose sum is σ = 45324804096. Its totient is φ = 18927917568.

The previous prime is 31130009971. The next prime is 31130010019. The reversal of 31130010003 is 30001003113.

It is not a de Polignac number, because 31130010003 - 2⁵ = 31130009971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31130010053) 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, 222625 + ... + 334397.

It is an arithmetic number, because the mean of its divisors is an integer number (1416400128).

Almost surely, 2^31130010003 is an apocalyptic number.

31130010003 is a deficient number, since it is larger than the sum of its proper divisors (14194794093).

31130010003 is a wasteful number, since it uses less digits than its factorization.

31130010003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111963.

The product of its (nonzero) digits is 27, while the sum is 12.

Adding to 31130010003 its reverse (30001003113), we get a palindrome (61131013116).

The spelling of 31130010003 in words is "thirty-one billion, one hundred thirty million, ten thousand, three".