322023031531 has 2 divisors, whose sum is σ = 322023031532. Its totient is φ = 322023031530.

The previous prime is 322023031529. The next prime is 322023031567. The reversal of 322023031531 is 135130320223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 322023031531 - 2¹ = 322023031529 is a prime.

It is a super-2 number, since 2×322023031531² (a number of 24 digits) contains 22 as substring.

Together with 322023031529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 322023031496 and 322023031505.

It is not a weakly prime, because it can be changed into another prime (322023032531) 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 as a sum of consecutive naturals, namely, 161011515765 + 161011515766.

It is an arithmetic number, because the mean of its divisors is an integer number (161011515766).

Almost surely, 2^322023031531 is an apocalyptic number.

322023031531 is a deficient number, since it is larger than the sum of its proper divisors (1).

322023031531 is an equidigital number, since it uses as much as digits as its factorization.

322023031531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 322023031531 its reverse (135130320223), we get a palindrome (457153351754).

The spelling of 322023031531 in words is "three hundred twenty-two billion, twenty-three million, thirty-one thousand, five hundred thirty-one".