31133103323 has 64 divisors (see below), whose sum is σ = 40188856320. Its totient is φ = 23504947200.

The previous prime is 31133103319. The next prime is 31133103361. The reversal of 31133103323 is 32330133113.

It is not a de Polignac number, because 31133103323 - 2² = 31133103319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31133103823) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14945240 + ... + 14947322.

It is an arithmetic number, because the mean of its divisors is an integer number (627950880).

Almost surely, 2^31133103323 is an apocalyptic number.

31133103323 is a deficient number, since it is larger than the sum of its proper divisors (9055752997).

31133103323 is a wasteful number, since it uses less digits than its factorization.

31133103323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 31133103323 its reverse (32330133113), we get a palindrome (63463236436).

The spelling of 31133103323 in words is "thirty-one billion, one hundred thirty-three million, one hundred three thousand, three hundred twenty-three".