31321103132003 has 32 divisors (see below), whose sum is σ = 32415388185600. Its totient is φ = 30244164480000.

The previous prime is 31321103131993. The next prime is 31321103132089. The reversal of 31321103132003 is 30023130112313.

It is not a de Polignac number, because 31321103132003 - 2⁴ = 31321103131987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31321103132003.

It is not an unprimeable number, because it can be changed into a prime (31321103132203) 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, 3246041723 + ... + 3246051371.

It is an arithmetic number, because the mean of its divisors is an integer number (1012980880800).

Almost surely, 2^{31321103132003} is an apocalyptic number.

31321103132003 is a deficient number, since it is larger than the sum of its proper divisors (1094285053597).

31321103132003 is a wasteful number, since it uses less digits than its factorization.

31321103132003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11699.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31321103132003 its reverse (30023130112313), we get a palindrome (61344233244316).

The spelling of 31321103132003 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred three million, one hundred thirty-two thousand, three".