349459131 has 12 divisors (see below), whose sum is σ = 542018472. Its totient is φ = 199690848.

The previous prime is 349459129. The next prime is 349459141. The reversal of 349459131 is 131954943.

It is a happy number.

It is not a de Polignac number, because 349459131 - 2¹ = 349459129 is a prime.

It is a super-2 number, since 2×349459131² = 244243368478550322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 349459131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349459141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1188490 + ... + 1188783.

It is an arithmetic number, because the mean of its divisors is an integer number (45168206).

Almost surely, 2^349459131 is an apocalyptic number.

349459131 is a deficient number, since it is larger than the sum of its proper divisors (192559341).

349459131 is a wasteful number, since it uses less digits than its factorization.

349459131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377290 (or 2377283 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 349459131 is about 18693.8260128846. The cubic root of 349459131 is about 704.3666702974.

The spelling of 349459131 in words is "three hundred forty-nine million, four hundred fifty-nine thousand, one hundred thirty-one".