33313223013 has 32 divisors (see below), whose sum is σ = 54571683840. Its totient is φ = 17650509120.

The previous prime is 33313223003. The next prime is 33313223017. The reversal of 33313223013 is 31032231333.

It is not a de Polignac number, because 33313223013 - 2⁸ = 33313222757 is a prime.

It is a super-2 number, since 2×33313223013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33313223017) 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, 869458 + ... + 906963.

It is an arithmetic number, because the mean of its divisors is an integer number (1705365120).

Almost surely, 2^33313223013 is an apocalyptic number.

It is an amenable number.

33313223013 is a deficient number, since it is larger than the sum of its proper divisors (21258460827).

33313223013 is a wasteful number, since it uses less digits than its factorization.

33313223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776497.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 33313223013 its reverse (31032231333), we get a palindrome (64345454346).

The spelling of 33313223013 in words is "thirty-three billion, three hundred thirteen million, two hundred twenty-three thousand, thirteen".