342149431 has 8 divisors (see below), whose sum is σ = 368620560. Its totient is φ = 315700032.

The previous prime is 342149413. The next prime is 342149443. The reversal of 342149431 is 134941243.

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-342149431 is a prime.

It is a super-2 number, since 2×342149431² = 234132466267247522, 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 = 342149393 and 342149402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342149491) 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, 43971 + ... + 51163.

It is an arithmetic number, because the mean of its divisors is an integer number (46077570).

Almost surely, 2^342149431 is an apocalyptic number.

342149431 is a deficient number, since it is larger than the sum of its proper divisors (26471129).

342149431 is a wasteful number, since it uses less digits than its factorization.

342149431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10865.

The product of its digits is 10368, while the sum is 31.

The square root of 342149431 is about 18497.2817192149. The cubic root of 342149431 is about 699.4209026881.

The spelling of 342149431 in words is "three hundred forty-two million, one hundred forty-nine thousand, four hundred thirty-one".