311430301414343 has 2 divisors, whose sum is σ = 311430301414344. Its totient is φ = 311430301414342.

The previous prime is 311430301414327. The next prime is 311430301414373. The reversal of 311430301414343 is 343414103034113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311430301414343 - 2⁴ = 311430301414327 is a prime.

It is a super-2 number, since 2×311430301414343² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311430301414373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155715150707171 + 155715150707172.

It is an arithmetic number, because the mean of its divisors is an integer number (155715150707172).

Almost surely, 2^{311430301414343} is an apocalyptic number.

311430301414343 is a deficient number, since it is larger than the sum of its proper divisors (1).

311430301414343 is an equidigital number, since it uses as much as digits as its factorization.

311430301414343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 311430301414343 its reverse (343414103034113), we get a palindrome (654844404448456).

The spelling of 311430301414343 in words is "three hundred eleven trillion, four hundred thirty billion, three hundred one million, four hundred fourteen thousand, three hundred forty-three".