342122531 has 8 divisors (see below), whose sum is σ = 360299280. Its totient is φ = 323962848.

The previous prime is 342122509. The next prime is 342122537. The reversal of 342122531 is 135221243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342122531 is a prime.

It is a super-2 number, since 2×342122531² = 234095652435691922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342122497 and 342122506.

It is not an unprimeable number, because it can be changed into a prime (342122537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72125 + ... + 76721.

It is an arithmetic number, because the mean of its divisors is an integer number (45037410).

Almost surely, 2^342122531 is an apocalyptic number.

342122531 is a deficient number, since it is larger than the sum of its proper divisors (18176749).

342122531 is a wasteful number, since it uses less digits than its factorization.

342122531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8533.

The product of its digits is 1440, while the sum is 23.

The square root of 342122531 is about 18496.5545710546. The cubic root of 342122531 is about 699.4025725729.

Adding to 342122531 its reverse (135221243), we get a palindrome (477343774).

It can be divided in two parts, 3421 and 22531, that added together give a palindrome (25952).

The spelling of 342122531 in words is "three hundred forty-two million, one hundred twenty-two thousand, five hundred thirty-one".