31113223123203 has 96 divisors (see below), whose sum is σ = 50652367933440. Its totient is φ = 18273794400000.

The previous prime is 31113223123163. The next prime is 31113223123219. The reversal of 31113223123203 is 30232132231113.

31113223123203 is a `hidden beast` number, since 3 + 1 + 1 + 1 + 3 + 22 + 312 + 320 + 3 = 666.

It is not a de Polignac number, because 31113223123203 - 2²⁴ = 31113206345987 is a prime.

It is a super-2 number, since 2×31113223123203² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31113223123253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 75922753 + ... + 76331453.

It is an arithmetic number, because the mean of its divisors is an integer number (527628832640).

Almost surely, 2^{31113223123203} is an apocalyptic number.

31113223123203 is a deficient number, since it is larger than the sum of its proper divisors (19539144810237).

31113223123203 is a wasteful number, since it uses less digits than its factorization.

31113223123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409041 (or 409038 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 31113223123203 its reverse (30232132231113), we get a palindrome (61345355354316).

The spelling of 31113223123203 in words is "thirty-one trillion, one hundred thirteen billion, two hundred twenty-three million, one hundred twenty-three thousand, two hundred three".