342002431 has 2 divisors, whose sum is σ = 342002432. Its totient is φ = 342002430.

The previous prime is 342002393. The next prime is 342002449. The reversal of 342002431 is 134200243.

It is a strong prime.

It is an emirp because it is prime and its reverse (134200243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342002431 - 2⁷ = 342002303 is a prime.

It is a super-2 number, since 2×342002431² = 233931325619819522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342002399 and 342002408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342002461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171001215 + 171001216.

It is an arithmetic number, because the mean of its divisors is an integer number (171001216).

Almost surely, 2^342002431 is an apocalyptic number.

342002431 is a deficient number, since it is larger than the sum of its proper divisors (1).

342002431 is an equidigital number, since it uses as much as digits as its factorization.

342002431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 342002431 is about 18493.3077355026. The cubic root of 342002431 is about 699.3207226778.

Adding to 342002431 its reverse (134200243), we get a palindrome (476202674).

The spelling of 342002431 in words is "three hundred forty-two million, two thousand, four hundred thirty-one".