334031393 has 2 divisors, whose sum is σ = 334031394. Its totient is φ = 334031392.

The previous prime is 334031389. The next prime is 334031413. The reversal of 334031393 is 393130433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286861969 + 47169424 = 16937^2 + 6868^2 .

It is an emirp because it is prime and its reverse (393130433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 334031393 - 2² = 334031389 is a prime.

It is a super-2 number, since 2×334031393² = 223153943019040898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (334031693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167015696 + 167015697.

It is an arithmetic number, because the mean of its divisors is an integer number (167015697).

Almost surely, 2^334031393 is an apocalyptic number.

It is an amenable number.

334031393 is a deficient number, since it is larger than the sum of its proper divisors (1).

334031393 is an equidigital number, since it uses as much as digits as its factorization.

334031393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 29.

The square root of 334031393 is about 18276.5257365835. The cubic root of 334031393 is about 693.8449444171.

The spelling of 334031393 in words is "three hundred thirty-four million, thirty-one thousand, three hundred ninety-three".