342400313 has 2 divisors, whose sum is σ = 342400314. Its totient is φ = 342400312.

The previous prime is 342400291. The next prime is 342400319. The reversal of 342400313 is 313004243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248755984 + 93644329 = 15772^2 + 9677^2 .

It is a cyclic number.

It is not a de Polignac number, because 342400313 - 2⁶ = 342400249 is a prime.

It is not a weakly prime, because it can be changed into another prime (342400319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171200156 + 171200157.

It is an arithmetic number, because the mean of its divisors is an integer number (171200157).

Almost surely, 2^342400313 is an apocalyptic number.

It is an amenable number.

342400313 is a deficient number, since it is larger than the sum of its proper divisors (1).

342400313 is an equidigital number, since it uses as much as digits as its factorization.

342400313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 342400313 is about 18504.0620675570. The cubic root of 342400313 is about 699.5918116808.

Adding to 342400313 its reverse (313004243), we get a palindrome (655404556).

The spelling of 342400313 in words is "three hundred forty-two million, four hundred thousand, three hundred thirteen".