320025531337 has 2 divisors, whose sum is σ = 320025531338. Its totient is φ = 320025531336.

The previous prime is 320025531253. The next prime is 320025531359. The reversal of 320025531337 is 733135520023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210157148041 + 109868383296 = 458429^2 + 331464^2 .

It is a cyclic number.

It is not a de Polignac number, because 320025531337 - 2²³ = 320017142729 is a prime.

It is not a weakly prime, because it can be changed into another prime (320025531737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160012765668 + 160012765669.

It is an arithmetic number, because the mean of its divisors is an integer number (160012765669).

Almost surely, 2^320025531337 is an apocalyptic number.

It is an amenable number.

320025531337 is a deficient number, since it is larger than the sum of its proper divisors (1).

320025531337 is an equidigital number, since it uses as much as digits as its factorization.

320025531337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 34.

The spelling of 320025531337 in words is "three hundred twenty billion, twenty-five million, five hundred thirty-one thousand, three hundred thirty-seven".