342645131 has 2 divisors, whose sum is σ = 342645132. Its totient is φ = 342645130.

The previous prime is 342645101. The next prime is 342645151. The reversal of 342645131 is 131546243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342645131 - 2²⁶ = 275536267 is a prime.

It is a super-2 number, since 2×342645131² = 234811371596014322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 342645094 and 342645103.

It is not a weakly prime, because it can be changed into another prime (342645101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171322565 + 171322566.

It is an arithmetic number, because the mean of its divisors is an integer number (171322566).

Almost surely, 2^342645131 is an apocalyptic number.

342645131 is a deficient number, since it is larger than the sum of its proper divisors (1).

342645131 is an equidigital number, since it uses as much as digits as its factorization.

342645131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 342645131 is about 18510.6761356791. The cubic root of 342645131 is about 699.7585092154.

The spelling of 342645131 in words is "three hundred forty-two million, six hundred forty-five thousand, one hundred thirty-one".