31302011313223 has 16 divisors (see below), whose sum is σ = 36145211800320. Its totient is φ = 26551723044096.

The previous prime is 31302011313203. The next prime is 31302011313233. The reversal of 31302011313223 is 32231311020313.

It is a cyclic number.

It is not a de Polignac number, because 31302011313223 - 2¹⁷ = 31302011182151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31302011313203) 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, 7477608 + ... + 10886626.

It is an arithmetic number, because the mean of its divisors is an integer number (2259075737520).

Almost surely, 2^{31302011313223} is an apocalyptic number.

31302011313223 is a deficient number, since it is larger than the sum of its proper divisors (4843200487097).

31302011313223 is a wasteful number, since it uses less digits than its factorization.

31302011313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422646.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31302011313223 its reverse (32231311020313), we get a palindrome (63533322333536).

The spelling of 31302011313223 in words is "thirty-one trillion, three hundred two billion, eleven million, three hundred thirteen thousand, two hundred twenty-three".