31013304223 has 8 divisors (see below), whose sum is σ = 34161169536. Its totient is φ = 27920184600.

The previous prime is 31013304163. The next prime is 31013304229. The reversal of 31013304223 is 32240331013.

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

It is not a de Polignac number, because 31013304223 - 2²⁹ = 30476433311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31013304194 and 31013304203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013304229) 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, 13685233 + ... + 13687498.

It is an arithmetic number, because the mean of its divisors is an integer number (4270146192).

Almost surely, 2^31013304223 is an apocalyptic number.

31013304223 is a deficient number, since it is larger than the sum of its proper divisors (3147865313).

31013304223 is a wasteful number, since it uses less digits than its factorization.

31013304223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27372845.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31013304223 its reverse (32240331013), we get a palindrome (63253635236).

The spelling of 31013304223 in words is "thirty-one billion, thirteen million, three hundred four thousand, two hundred twenty-three".