334031389 has 2 divisors, whose sum is σ = 334031390. Its totient is φ = 334031388.

The previous prime is 334031377. The next prime is 334031393. The reversal of 334031389 is 983130433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333683289 + 348100 = 18267^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 334031389 - 2¹¹ = 334029341 is a prime.

It is a super-2 number, since 2×334031389² = 223153937674538642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334031689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167015694 + 167015695.

It is an arithmetic number, because the mean of its divisors is an integer number (167015695).

Almost surely, 2^334031389 is an apocalyptic number.

It is an amenable number.

334031389 is a deficient number, since it is larger than the sum of its proper divisors (1).

334031389 is an equidigital number, since it uses as much as digits as its factorization.

334031389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 334031389 is about 18276.5256271535. The cubic root of 334031389 is about 693.8449416475.

The spelling of 334031389 in words is "three hundred thirty-four million, thirty-one thousand, three hundred eighty-nine".