342522131 has 16 divisors (see below), whose sum is σ = 404920320. Its totient is φ = 283530240.

The previous prime is 342522113. The next prime is 342522143. The reversal of 342522131 is 131225243.

It is a de Polignac number, because none of the positive numbers 2^k-342522131 is a prime.

It is a super-2 number, since 2×342522131² = 234642820449562322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342522097 and 342522106.

It is not an unprimeable number, because it can be changed into a prime (342522151) 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, 126035 + ... + 128723.

It is an arithmetic number, because the mean of its divisors is an integer number (25307520).

Almost surely, 2^342522131 is an apocalyptic number.

342522131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

342522131 is a deficient number, since it is larger than the sum of its proper divisors (62398189).

342522131 is a wasteful number, since it uses less digits than its factorization.

342522131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314.

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

The square root of 342522131 is about 18507.3534304611. The cubic root of 342522131 is about 699.6747679626.

Adding to 342522131 its reverse (131225243), we get a palindrome (473747374).

The spelling of 342522131 in words is "three hundred forty-two million, five hundred twenty-two thousand, one hundred thirty-one".