311232320941 has 2 divisors, whose sum is σ = 311232320942. Its totient is φ = 311232320940.

The previous prime is 311232320929. The next prime is 311232321053. The reversal of 311232320941 is 149023232113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177236790025 + 133995530916 = 420995^2 + 366054^2 .

It is a cyclic number.

It is not a de Polignac number, because 311232320941 - 2⁷ = 311232320813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311232320921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155616160470 + 155616160471.

It is an arithmetic number, because the mean of its divisors is an integer number (155616160471).

Almost surely, 2^311232320941 is an apocalyptic number.

It is an amenable number.

311232320941 is a deficient number, since it is larger than the sum of its proper divisors (1).

311232320941 is an equidigital number, since it uses as much as digits as its factorization.

311232320941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 311232320941 in words is "three hundred eleven billion, two hundred thirty-two million, three hundred twenty thousand, nine hundred forty-one".