31323332003013 has 32 divisors (see below), whose sum is σ = 48730966214400. Its totient is φ = 19847073774528.

The previous prime is 31323332002973. The next prime is 31323332003027. The reversal of 31323332003013 is 31030023332313.

31323332003013 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 33 + 320 + 0 + 301 + 3 = 666.

It is not a de Polignac number, because 31323332003013 - 2¹³ = 31323331994821 is a prime.

It is a super-2 number, since 2×31323332003013² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323332003413) 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, 160539918 + ... + 160734911.

It is an arithmetic number, because the mean of its divisors is an integer number (1522842694200).

Almost surely, 2^{31323332003013} is an apocalyptic number.

It is an amenable number.

31323332003013 is a deficient number, since it is larger than the sum of its proper divisors (17407634211387).

31323332003013 is a wasteful number, since it uses less digits than its factorization.

31323332003013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321275018 (or 321275012 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 31323332003013 its reverse (31030023332313), we get a palindrome (62353355335326).

The spelling of 31323332003013 in words is "thirty-one trillion, three hundred twenty-three billion, three hundred thirty-two million, three thousand, thirteen".