31322112023 has 2 divisors, whose sum is σ = 31322112024. Its totient is φ = 31322112022.

The previous prime is 31322111999. The next prime is 31322112037. The reversal of 31322112023 is 32021122313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31322112023 - 2⁶ = 31322111959 is a prime.

It is a super-2 number, since 2×31322112023² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31322111986 and 31322112004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31322112623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15661056011 + 15661056012.

It is an arithmetic number, because the mean of its divisors is an integer number (15661056012).

Almost surely, 2^31322112023 is an apocalyptic number.

31322112023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31322112023 is an equidigital number, since it uses as much as digits as its factorization.

31322112023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31322112023 its reverse (32021122313), we get a palindrome (63343234336).

The spelling of 31322112023 in words is "thirty-one billion, three hundred twenty-two million, one hundred twelve thousand, twenty-three".