31030321122023 has 4 divisors (see below), whose sum is σ = 31044406608168. Its totient is φ = 31016235635880.

The previous prime is 31030321122001. The next prime is 31030321122029. The reversal of 31030321122023 is 32022112303013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31030321122023 - 2¹⁰ = 31030321120999 is a prime.

It is a super-2 number, since 2×31030321122023² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31030321122023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030321122029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7042739768 + ... + 7042744173.

It is an arithmetic number, because the mean of its divisors is an integer number (7761101652042).

Almost surely, 2^{31030321122023} is an apocalyptic number.

31030321122023 is a deficient number, since it is larger than the sum of its proper divisors (14085486145).

31030321122023 is a wasteful number, since it uses less digits than its factorization.

31030321122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14085486144.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31030321122023 its reverse (32022112303013), we get a palindrome (63052433425036).

The spelling of 31030321122023 in words is "thirty-one trillion, thirty billion, three hundred twenty-one million, one hundred twenty-two thousand, twenty-three".