31323004223 has 8 divisors (see below), whose sum is σ = 35804451840. Its totient is φ = 26843239800.

The previous prime is 31323004213. The next prime is 31323004231. The reversal of 31323004223 is 32240032313.

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 31323004223 - 2³² = 27028036927 is a prime.

It is a super-2 number, since 2×31323004223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323004213) 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, 380663 + ... + 455576.

It is an arithmetic number, because the mean of its divisors is an integer number (4475556480).

Almost surely, 2^31323004223 is an apocalyptic number.

31323004223 is a deficient number, since it is larger than the sum of its proper divisors (4481447617).

31323004223 is an equidigital number, since it uses as much as digits as its factorization.

31323004223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841597.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31323004223 its reverse (32240032313), we get a palindrome (63563036536).

The spelling of 31323004223 in words is "thirty-one billion, three hundred twenty-three million, four thousand, two hundred twenty-three".