31320100130003 has 4 divisors (see below), whose sum is σ = 31986485239200. Its totient is φ = 30653715020808.

The previous prime is 31320100129957. The next prime is 31320100130041. The reversal of 31320100130003 is 30003100102313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31320100130003 - 2⁶ = 31320100129939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31320100130503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333192554528 + ... + 333192554621.

It is an arithmetic number, because the mean of its divisors is an integer number (7996621309800).

Almost surely, 2^{31320100130003} is an apocalyptic number.

31320100130003 is a deficient number, since it is larger than the sum of its proper divisors (666385109197).

31320100130003 is an equidigital number, since it uses as much as digits as its factorization.

31320100130003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666385109196.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31320100130003 its reverse (30003100102313), we get a palindrome (61323200232316).

The spelling of 31320100130003 in words is "thirty-one trillion, three hundred twenty billion, one hundred million, one hundred thirty thousand, three".