342531407 has 2 divisors, whose sum is σ = 342531408. Its totient is φ = 342531406.

The previous prime is 342531391. The next prime is 342531461. The reversal of 342531407 is 704135243.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342531407 - 2⁴ = 342531391 is a prime.

It is a super-3 number, since 3×342531407³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 342531407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342531467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171265703 + 171265704.

It is an arithmetic number, because the mean of its divisors is an integer number (171265704).

Almost surely, 2^342531407 is an apocalyptic number.

342531407 is a deficient number, since it is larger than the sum of its proper divisors (1).

342531407 is an equidigital number, since it uses as much as digits as its factorization.

342531407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 342531407 is about 18507.6040318567. The cubic root of 342531407 is about 699.6810839774.

The spelling of 342531407 in words is "three hundred forty-two million, five hundred thirty-one thousand, four hundred seven".