31122330321007 has 2 divisors, whose sum is σ = 31122330321008. Its totient is φ = 31122330321006.

The previous prime is 31122330320987. The next prime is 31122330321101. The reversal of 31122330321007 is 70012303322113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31122330321007 - 2³⁹ = 30572574507119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31122330327007) 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 as a sum of consecutive naturals, namely, 15561165160503 + 15561165160504.

It is an arithmetic number, because the mean of its divisors is an integer number (15561165160504).

Almost surely, 2^{31122330321007} is an apocalyptic number.

31122330321007 is a deficient number, since it is larger than the sum of its proper divisors (1).

31122330321007 is an equidigital number, since it uses as much as digits as its factorization.

31122330321007 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 28.

The spelling of 31122330321007 in words is "thirty-one trillion, one hundred twenty-two billion, three hundred thirty million, three hundred twenty-one thousand, seven".