349131701 has 2 divisors, whose sum is σ = 349131702. Its totient is φ = 349131700.

The previous prime is 349131689. The next prime is 349131709. The reversal of 349131701 is 107131943.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238671601 + 110460100 = 15449^2 + 10510^2 .

It is a cyclic number.

It is not a de Polignac number, because 349131701 - 2¹⁸ = 348869557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349131709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174565850 + 174565851.

It is an arithmetic number, because the mean of its divisors is an integer number (174565851).

Almost surely, 2^349131701 is an apocalyptic number.

It is an amenable number.

349131701 is a deficient number, since it is larger than the sum of its proper divisors (1).

349131701 is an equidigital number, since it uses as much as digits as its factorization.

349131701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 349131701 is about 18685.0662562379. The cubic root of 349131701 is about 704.1466132372.

The spelling of 349131701 in words is "three hundred forty-nine million, one hundred thirty-one thousand, seven hundred one".