342100331 has 4 divisors (see below), whose sum is σ = 344279472. Its totient is φ = 339921192.

The previous prime is 342100289. The next prime is 342100337. The reversal of 342100331 is 133001243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133001243 = 359 ⋅370477.

It is a cyclic number.

It is not a de Polignac number, because 342100331 - 2²² = 337906027 is a prime.

It is a super-2 number, since 2×342100331² = 234065272940619122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342100337) 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, 1089335 + ... + 1089648.

It is an arithmetic number, because the mean of its divisors is an integer number (86069868).

Almost surely, 2^342100331 is an apocalyptic number.

342100331 is a deficient number, since it is larger than the sum of its proper divisors (2179141).

342100331 is a wasteful number, since it uses less digits than its factorization.

342100331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179140.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 342100331 is about 18495.9544495546. The cubic root of 342100331 is about 699.3874443937.

Adding to 342100331 its reverse (133001243), we get a palindrome (475101574).

The spelling of 342100331 in words is "three hundred forty-two million, one hundred thousand, three hundred thirty-one".