342335531 has 4 divisors (see below), whose sum is σ = 344248200. Its totient is φ = 340422864.

The previous prime is 342335509. The next prime is 342335549. The reversal of 342335531 is 135533243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135533243 = 53 ⋅2557231.

It is a cyclic number.

It is not a de Polignac number, because 342335531 - 2¹⁸ = 342073387 is a prime.

It is a super-2 number, since 2×342335531² = 234387231570103922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342335494 and 342335503.

It is not an unprimeable number, because it can be changed into a prime (342335131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956066 + ... + 956423.

It is an arithmetic number, because the mean of its divisors is an integer number (86062050).

Almost surely, 2^342335531 is an apocalyptic number.

342335531 is a deficient number, since it is larger than the sum of its proper divisors (1912669).

342335531 is a wasteful number, since it uses less digits than its factorization.

342335531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912668.

The product of its digits is 16200, while the sum is 29.

The square root of 342335531 is about 18502.3115042418. The cubic root of 342335531 is about 699.5476880692.

Adding to 342335531 its reverse (135533243), we get a palindrome (477868774).

The spelling of 342335531 in words is "three hundred forty-two million, three hundred thirty-five thousand, five hundred thirty-one".