342381331 has 2 divisors, whose sum is σ = 342381332. Its totient is φ = 342381330.

The previous prime is 342381301. The next prime is 342381353. The reversal of 342381331 is 133183243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342381331 - 2¹⁵ = 342348563 is a prime.

It is a super-2 number, since 2×342381331² = 234449951634663122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 342381331.

It is not a weakly prime, because it can be changed into another prime (342381301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171190665 + 171190666.

It is an arithmetic number, because the mean of its divisors is an integer number (171190666).

Almost surely, 2^342381331 is an apocalyptic number.

342381331 is a deficient number, since it is larger than the sum of its proper divisors (1).

342381331 is an equidigital number, since it uses as much as digits as its factorization.

342381331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 342381331 is about 18503.5491460422. The cubic root of 342381331 is about 699.5788834438.

The spelling of 342381331 in words is "three hundred forty-two million, three hundred eighty-one thousand, three hundred thirty-one".