3340311312391 has 2 divisors, whose sum is σ = 3340311312392. Its totient is φ = 3340311312390.

The previous prime is 3340311312341. The next prime is 3340311312493. The reversal of 3340311312391 is 1932131130433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3340311312391 - 2²⁷ = 3340177094663 is a prime.

It is a super-2 number, since 2×3340311312391² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3340311312341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670155656195 + 1670155656196.

It is an arithmetic number, because the mean of its divisors is an integer number (1670155656196).

Almost surely, 2^{3340311312391} is an apocalyptic number.

3340311312391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340311312391 is an equidigital number, since it uses as much as digits as its factorization.

3340311312391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 3340311312391 in words is "three trillion, three hundred forty billion, three hundred eleven million, three hundred twelve thousand, three hundred ninety-one".