342302421 has 4 divisors (see below), whose sum is σ = 456403232. Its totient is φ = 228201612.

The previous prime is 342302419. The next prime is 342302437. The reversal of 342302421 is 124203243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 342302421 - 2¹ = 342302419 is a prime.

It is a super-2 number, since 2×342302421² = 234341894844922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342302321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57050401 + ... + 57050406.

It is an arithmetic number, because the mean of its divisors is an integer number (114100808).

Almost surely, 2^342302421 is an apocalyptic number.

It is an amenable number.

342302421 is a deficient number, since it is larger than the sum of its proper divisors (114100811).

342302421 is a wasteful number, since it uses less digits than its factorization.

342302421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114100810.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 342302421 is about 18501.4167295372. The cubic root of 342302421 is about 699.5251343964.

Adding to 342302421 its reverse (124203243), we get a palindrome (466505664).

The spelling of 342302421 in words is "three hundred forty-two million, three hundred two thousand, four hundred twenty-one".