342434331 has 16 divisors (see below), whose sum is σ = 508327200. Its totient is φ = 227831904.

The previous prime is 342434317. The next prime is 342434369. The reversal of 342434331 is 133434243.

It is not a de Polignac number, because 342434331 - 2⁵ = 342434299 is a prime.

It is a super-2 number, since 2×342434331² = 234522542094835122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 342434295 and 342434304.

It is not an unprimeable number, because it can be changed into a prime (342434311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1285 + ... + 26201.

It is an arithmetic number, because the mean of its divisors is an integer number (31770450).

Almost surely, 2^342434331 is an apocalyptic number.

342434331 is a deficient number, since it is larger than the sum of its proper divisors (165892869).

342434331 is a wasteful number, since it uses less digits than its factorization.

342434331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25435 (or 25429 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 342434331 is about 18504.9812483018. The cubic root of 342434331 is about 699.6149794227.

Adding to 342434331 its reverse (133434243), we get a palindrome (475868574).

The spelling of 342434331 in words is "three hundred forty-two million, four hundred thirty-four thousand, three hundred thirty-one".