322312020157 has 2 divisors, whose sum is σ = 322312020158. Its totient is φ = 322312020156.

The previous prime is 322312020113. The next prime is 322312020161. The reversal of 322312020157 is 751020213223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319734833401 + 2577186756 = 565451^2 + 50766^2 .

It is a cyclic number.

It is not a de Polignac number, because 322312020157 - 2²³ = 322303631549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322312020187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161156010078 + 161156010079.

It is an arithmetic number, because the mean of its divisors is an integer number (161156010079).

Almost surely, 2^322312020157 is an apocalyptic number.

It is an amenable number.

322312020157 is a deficient number, since it is larger than the sum of its proper divisors (1).

322312020157 is an equidigital number, since it uses as much as digits as its factorization.

322312020157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 322312020157 in words is "three hundred twenty-two billion, three hundred twelve million, twenty thousand, one hundred fifty-seven".