311432023873 has 2 divisors, whose sum is σ = 311432023874. Its totient is φ = 311432023872.

The previous prime is 311432023789. The next prime is 311432023891. The reversal of 311432023873 is 378320234113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222966229249 + 88465794624 = 472193^2 + 297432^2 .

It is a cyclic number.

It is not a de Polignac number, because 311432023873 - 2¹⁷ = 311431892801 is a prime.

It is not a weakly prime, because it can be changed into another prime (311432020873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155716011936 + 155716011937.

It is an arithmetic number, because the mean of its divisors is an integer number (155716011937).

Almost surely, 2^311432023873 is an apocalyptic number.

It is an amenable number.

311432023873 is a deficient number, since it is larger than the sum of its proper divisors (1).

311432023873 is an equidigital number, since it uses as much as digits as its factorization.

311432023873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

Adding to 311432023873 its reverse (378320234113), we get a palindrome (689752257986).

The spelling of 311432023873 in words is "three hundred eleven billion, four hundred thirty-two million, twenty-three thousand, eight hundred seventy-three".