31322023307 has 2 divisors, whose sum is σ = 31322023308. Its totient is φ = 31322023306.

The previous prime is 31322023273. The next prime is 31322023367. The reversal of 31322023307 is 70332022313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31322023307 is a prime.

It is not a weakly prime, because it can be changed into another prime (31322023367) 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 as a sum of consecutive naturals, namely, 15661011653 + 15661011654.

It is an arithmetic number, because the mean of its divisors is an integer number (15661011654).

Almost surely, 2^31322023307 is an apocalyptic number.

31322023307 is a deficient number, since it is larger than the sum of its proper divisors (1).

31322023307 is an equidigital number, since it uses as much as digits as its factorization.

31322023307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 26.

The spelling of 31322023307 in words is "thirty-one billion, three hundred twenty-two million, twenty-three thousand, three hundred seven".