320231201249 has 2 divisors, whose sum is σ = 320231201250. Its totient is φ = 320231201248.

The previous prime is 320231201183. The next prime is 320231201263. The reversal of 320231201249 is 942102132023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220749625600 + 99481575649 = 469840^2 + 315407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320231201249 is a prime.

It is not a weakly prime, because it can be changed into another prime (320231261249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160115600624 + 160115600625.

It is an arithmetic number, because the mean of its divisors is an integer number (160115600625).

Almost surely, 2^320231201249 is an apocalyptic number.

It is an amenable number.

320231201249 is a deficient number, since it is larger than the sum of its proper divisors (1).

320231201249 is an equidigital number, since it uses as much as digits as its factorization.

320231201249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 320231201249 in words is "three hundred twenty billion, two hundred thirty-one million, two hundred one thousand, two hundred forty-nine".