31301323023 has 16 divisors (see below), whose sum is σ = 43453906272. Its totient is φ = 20024832000.

The previous prime is 31301323013. The next prime is 31301323037. The reversal of 31301323023 is 32032310313.

It is not a de Polignac number, because 31301323023 - 2¹⁷ = 31301191951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301323013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2078418 + ... + 2093423.

It is an arithmetic number, because the mean of its divisors is an integer number (2715869142).

Almost surely, 2^31301323023 is an apocalyptic number.

31301323023 is a deficient number, since it is larger than the sum of its proper divisors (12152583249).

31301323023 is a wasteful number, since it uses less digits than its factorization.

31301323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171946.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31301323023 its reverse (32032310313), we get a palindrome (63333633336).

The spelling of 31301323023 in words is "thirty-one billion, three hundred one million, three hundred twenty-three thousand, twenty-three".