31312042023 has 8 divisors (see below), whose sum is σ = 43189023600. Its totient is φ = 20154877568.

The previous prime is 31312042019. The next prime is 31312042031. The reversal of 31312042023 is 32024021313.

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 31312042023 - 2² = 31312042019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312043023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179954178 + ... + 179954351.

It is an arithmetic number, because the mean of its divisors is an integer number (5398627950).

Almost surely, 2^31312042023 is an apocalyptic number.

31312042023 is a deficient number, since it is larger than the sum of its proper divisors (11876981577).

31312042023 is a wasteful number, since it uses less digits than its factorization.

31312042023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359908561.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31312042023 its reverse (32024021313), we get a palindrome (63336063336).

The spelling of 31312042023 in words is "thirty-one billion, three hundred twelve million, forty-two thousand, twenty-three".