342429131 has 16 divisors (see below), whose sum is σ = 392905728. Its totient is φ = 295557600.

The previous prime is 342429127. The next prime is 342429137. The reversal of 342429131 is 131924243.

It is a cyclic number.

It is not a de Polignac number, because 342429131 - 2² = 342429127 is a prime.

It is a super-2 number, since 2×342429131² = 234515419514830322, 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 = 342429094 and 342429103.

It is not an unprimeable number, because it can be changed into a prime (342429137) 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, 8600 + ... + 27546.

It is an arithmetic number, because the mean of its divisors is an integer number (24556608).

Almost surely, 2^342429131 is an apocalyptic number.

342429131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

342429131 is a deficient number, since it is larger than the sum of its proper divisors (50476597).

342429131 is a wasteful number, since it uses less digits than its factorization.

342429131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19042.

The product of its digits is 5184, while the sum is 29.

The square root of 342429131 is about 18504.8407450591. The cubic root of 342429131 is about 699.6114380952.

The spelling of 342429131 in words is "three hundred forty-two million, four hundred twenty-nine thousand, one hundred thirty-one".