31301012323 has 16 divisors (see below), whose sum is σ = 38073136320. Its totient is φ = 25120382976.

The previous prime is 31301012291. The next prime is 31301012339. The reversal of 31301012323 is 32321010313.

It is a cyclic number.

It is not a de Polignac number, because 31301012323 - 2⁵ = 31301012291 is a prime.

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 31301012323.

It is not an unprimeable number, because it can be changed into a prime (31301012723) 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, 658468 + ... + 704401.

It is an arithmetic number, because the mean of its divisors is an integer number (2379571020).

Almost surely, 2^31301012323 is an apocalyptic number.

31301012323 is a deficient number, since it is larger than the sum of its proper divisors (6772123997).

31301012323 is a wasteful number, since it uses less digits than its factorization.

31301012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363086.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31301012323 its reverse (32321010313), we get a palindrome (63622022636).

The spelling of 31301012323 in words is "thirty-one billion, three hundred one million, twelve thousand, three hundred twenty-three".