31303324223 has 8 divisors (see below), whose sum is σ = 31528353168. Its totient is φ = 31079070784.

The previous prime is 31303324183. The next prime is 31303324229. The reversal of 31303324223 is 32242330313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31303324223 - 2³² = 27008356927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31303324192 and 31303324201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31303324229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112736 + ... + 274437.

It is an arithmetic number, because the mean of its divisors is an integer number (3941044146).

Almost surely, 2^31303324223 is an apocalyptic number.

31303324223 is a deficient number, since it is larger than the sum of its proper divisors (225028945).

31303324223 is a wasteful number, since it uses less digits than its factorization.

31303324223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387753.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 31303324223 its reverse (32242330313), we get a palindrome (63545654536).

The spelling of 31303324223 in words is "thirty-one billion, three hundred three million, three hundred twenty-four thousand, two hundred twenty-three".