349526131 has 2 divisors, whose sum is σ = 349526132. Its totient is φ = 349526130.

The previous prime is 349526129. The next prime is 349526159. The reversal of 349526131 is 131625943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349526131 - 2¹ = 349526129 is a prime.

It is a super-2 number, since 2×349526131² = 244337032503658322, which contains 22 as substring.

Together with 349526129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (349527131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174763065 + 174763066.

It is an arithmetic number, because the mean of its divisors is an integer number (174763066).

Almost surely, 2^349526131 is an apocalyptic number.

349526131 is a deficient number, since it is larger than the sum of its proper divisors (1).

349526131 is an equidigital number, since it uses as much as digits as its factorization.

349526131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 349526131 is about 18695.6179625066. The cubic root of 349526131 is about 704.4116822860.

The spelling of 349526131 in words is "three hundred forty-nine million, five hundred twenty-six thousand, one hundred thirty-one".