31311121110003 has 12 divisors (see below), whose sum is σ = 51688199927728. Its totient is φ = 17892069205680.

The previous prime is 31311121109981. The next prime is 31311121110011. The reversal of 31311121110003 is 30001112111313.

It is not a de Polignac number, because 31311121110003 - 2¹⁰ = 31311121108979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31311121110083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248500961128 + ... + 248500961253.

Almost surely, 2^{31311121110003} is an apocalyptic number.

31311121110003 is a deficient number, since it is larger than the sum of its proper divisors (20377078817725).

31311121110003 is a wasteful number, since it uses less digits than its factorization.

31311121110003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497001922394 (or 497001922391 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 31311121110003 its reverse (30001112111313), we get a palindrome (61312233221316).

The spelling of 31311121110003 in words is "thirty-one trillion, three hundred eleven billion, one hundred twenty-one million, one hundred ten thousand, three".