31023314223 has 16 divisors (see below), whose sum is σ = 45327184896. Its totient is φ = 18717690240.

The previous prime is 31023314191. The next prime is 31023314233. The reversal of 31023314223 is 32241332013.

It is not a de Polignac number, because 31023314223 - 2⁵ = 31023314191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31023314193 and 31023314202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023314233) 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, 2100490 + ... + 2115207.

It is an arithmetic number, because the mean of its divisors is an integer number (2832949056).

Almost surely, 2^31023314223 is an apocalyptic number.

31023314223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31023314223 is a deficient number, since it is larger than the sum of its proper divisors (14303870673).

31023314223 is a wasteful number, since it uses less digits than its factorization.

31023314223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215934.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31023314223 its reverse (32241332013), we get a palindrome (63264646236).

The spelling of 31023314223 in words is "thirty-one billion, twenty-three million, three hundred fourteen thousand, two hundred twenty-three".