31121314003 has 24 divisors (see below), whose sum is σ = 33920241696. Its totient is φ = 28539763200.

The previous prime is 31121314001. The next prime is 31121314019. The reversal of 31121314003 is 30041312113.

It is not a de Polignac number, because 31121314003 - 2¹ = 31121314001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31121314001) 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, 26351073 + ... + 26352253.

It is an arithmetic number, because the mean of its divisors is an integer number (1413343404).

Almost surely, 2^31121314003 is an apocalyptic number.

31121314003 is a deficient number, since it is larger than the sum of its proper divisors (2798927693).

31121314003 is a wasteful number, since it uses less digits than its factorization.

31121314003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095 (or 2082 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31121314003 its reverse (30041312113), we get a palindrome (61162626116).

The spelling of 31121314003 in words is "thirty-one billion, one hundred twenty-one million, three hundred fourteen thousand, three".