346272131 has 4 divisors (see below), whose sum is σ = 364497000. Its totient is φ = 328047264.

The previous prime is 346272127. The next prime is 346272149. The reversal of 346272131 is 131272643.

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: 131272643 = 8971 ⋅14633.

It is a cyclic number.

It is not a de Polignac number, because 346272131 - 2² = 346272127 is a prime.

It is a super-2 number, since 2×346272131² = 239808777414562322, 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 = 346272094 and 346272103.

It is not an unprimeable number, because it can be changed into a prime (346272331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9112406 + ... + 9112443.

It is an arithmetic number, because the mean of its divisors is an integer number (91124250).

Almost surely, 2^346272131 is an apocalyptic number.

346272131 is a deficient number, since it is larger than the sum of its proper divisors (18224869).

346272131 is a wasteful number, since it uses less digits than its factorization.

346272131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18224868.

The product of its digits is 6048, while the sum is 29.

The square root of 346272131 is about 18608.3887265932. The cubic root of 346272131 is about 702.2188984379.

The spelling of 346272131 in words is "three hundred forty-six million, two hundred seventy-two thousand, one hundred thirty-one".