311431241327 has 2 divisors, whose sum is σ = 311431241328. Its totient is φ = 311431241326.

The previous prime is 311431241279. The next prime is 311431241347. The reversal of 311431241327 is 723142134113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311431241327 - 2⁸ = 311431241071 is a prime.

It is a super-2 number, since 2×311431241327² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311431241293 and 311431241302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311431241347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155715620663 + 155715620664.

It is an arithmetic number, because the mean of its divisors is an integer number (155715620664).

Almost surely, 2^311431241327 is an apocalyptic number.

311431241327 is a deficient number, since it is larger than the sum of its proper divisors (1).

311431241327 is an equidigital number, since it uses as much as digits as its factorization.

311431241327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The spelling of 311431241327 in words is "three hundred eleven billion, four hundred thirty-one million, two hundred forty-one thousand, three hundred twenty-seven".