311140113343 has 2 divisors, whose sum is σ = 311140113344. Its totient is φ = 311140113342.

The previous prime is 311140113311. The next prime is 311140113359. The reversal of 311140113343 is 343311041113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311140113343 - 2⁵ = 311140113311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311140114343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155570056671 + 155570056672.

It is an arithmetic number, because the mean of its divisors is an integer number (155570056672).

Almost surely, 2^311140113343 is an apocalyptic number.

311140113343 is a deficient number, since it is larger than the sum of its proper divisors (1).

311140113343 is an equidigital number, since it uses as much as digits as its factorization.

311140113343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 311140113343 its reverse (343311041113), we get a palindrome (654451154456).

The spelling of 311140113343 in words is "three hundred eleven billion, one hundred forty million, one hundred thirteen thousand, three hundred forty-three".