31023031011323 has 16 divisors (see below), whose sum is σ = 33681308125920. Its totient is φ = 28404236480256.

The previous prime is 31023031011307. The next prime is 31023031011331. The reversal of 31023031011323 is 32311013032013.

It is not a de Polignac number, because 31023031011323 - 2⁴ = 31023031011307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31023031011353) 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, 12195365 + ... + 14518022.

It is an arithmetic number, because the mean of its divisors is an integer number (2105081757870).

Almost surely, 2^{31023031011323} is an apocalyptic number.

31023031011323 is a deficient number, since it is larger than the sum of its proper divisors (2658277114597).

31023031011323 is a wasteful number, since it uses less digits than its factorization.

31023031011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26714126.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31023031011323 its reverse (32311013032013), we get a palindrome (63334044043336).

The spelling of 31023031011323 in words is "thirty-one trillion, twenty-three billion, thirty-one million, eleven thousand, three hundred twenty-three".