340320313961 has 2 divisors, whose sum is σ = 340320313962. Its totient is φ = 340320313960.

The previous prime is 340320313919. The next prime is 340320314003. The reversal of 340320313961 is 169313023043.

It is a balanced prime because it is at equal distance from previous prime (340320313919) and next prime (340320314003).

It can be written as a sum of positive squares in only one way, i.e., 335653374736 + 4666939225 = 579356^2 + 68315^2 .

It is an emirp because it is prime and its reverse (169313023043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340320313961 - 2¹⁸ = 340320051817 is a prime.

It is a super-2 number, since 2×340320313961² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340320333961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170160156980 + 170160156981.

It is an arithmetic number, because the mean of its divisors is an integer number (170160156981).

Almost surely, 2^340320313961 is an apocalyptic number.

It is an amenable number.

340320313961 is a deficient number, since it is larger than the sum of its proper divisors (1).

340320313961 is an equidigital number, since it uses as much as digits as its factorization.

340320313961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 340320313961 in words is "three hundred forty billion, three hundred twenty million, three hundred thirteen thousand, nine hundred sixty-one".