349234931 has 2 divisors, whose sum is σ = 349234932. Its totient is φ = 349234930.

The previous prime is 349234913. The next prime is 349234937. The reversal of 349234931 is 139432943.

It is a happy number.

Together with previous prime (349234913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349234931 is a prime.

It is a super-2 number, since 2×349234931² = 243930074061149522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (349234937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174617465 + 174617466.

It is an arithmetic number, because the mean of its divisors is an integer number (174617466).

Almost surely, 2^349234931 is an apocalyptic number.

349234931 is a deficient number, since it is larger than the sum of its proper divisors (1).

349234931 is an equidigital number, since it uses as much as digits as its factorization.

349234931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 38.

The square root of 349234931 is about 18687.8284185188. The cubic root of 349234931 is about 704.2160062406.

The spelling of 349234931 in words is "three hundred forty-nine million, two hundred thirty-four thousand, nine hundred thirty-one".