31323003133233 has 16 divisors (see below), whose sum is σ = 48840297245696. Its totient is φ = 17482606399440.

The previous prime is 31323003133141. The next prime is 31323003133313. The reversal of 31323003133233 is 33233130032313.

It is a happy number.

It is not a de Polignac number, because 31323003133233 - 2²⁰ = 31323002084657 is a prime.

It is a super-2 number, since 2×31323003133233² (a number of 28 digits) contains 22 as substring.

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 31323003133233.

It is not an unprimeable number, because it can be changed into a prime (31323003133133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17343854653 + ... + 17343856458.

It is an arithmetic number, because the mean of its divisors is an integer number (3052518577856).

Almost surely, 2^{31323003133233} is an apocalyptic number.

It is an amenable number.

31323003133233 is a deficient number, since it is larger than the sum of its proper divisors (17517294112463).

31323003133233 is a wasteful number, since it uses less digits than its factorization.

31323003133233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34687711164.

The product of its (nonzero) digits is 26244, while the sum is 30.

Adding to 31323003133233 its reverse (33233130032313), we get a palindrome (64556133165546).

The spelling of 31323003133233 in words is "thirty-one trillion, three hundred twenty-three billion, three million, one hundred thirty-three thousand, two hundred thirty-three".