311112231221039 has 2 divisors, whose sum is σ = 311112231221040. Its totient is φ = 311112231221038.

The previous prime is 311112231220913. The next prime is 311112231221107. The reversal of 311112231221039 is 930122132211113.

It is a happy number.

Together with previous prime (311112231220913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311112231221039 - 2¹⁶ = 311112231155503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311112231220996 and 311112231221014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311112231220039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155556115610519 + 155556115610520.

It is an arithmetic number, because the mean of its divisors is an integer number (155556115610520).

Almost surely, 2^{311112231221039} is an apocalyptic number.

311112231221039 is a deficient number, since it is larger than the sum of its proper divisors (1).

311112231221039 is an equidigital number, since it uses as much as digits as its factorization.

311112231221039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 311112231221039 in words is "three hundred eleven trillion, one hundred twelve billion, two hundred thirty-one million, two hundred twenty-one thousand, thirty-nine".