330400013 has 4 divisors (see below), whose sum is σ = 332130048. Its totient is φ = 328669980.

The previous prime is 330399997. The next prime is 330400027. The reversal of 330400013 is 310004033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310004033 = 131 ⋅2366443.

It is a cyclic number.

It is not a de Polignac number, because 330400013 - 2⁴ = 330399997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330400033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864731 + ... + 865112.

It is an arithmetic number, because the mean of its divisors is an integer number (83032512).

Almost surely, 2^330400013 is an apocalyptic number.

It is an amenable number.

330400013 is a deficient number, since it is larger than the sum of its proper divisors (1730035).

330400013 is a wasteful number, since it uses less digits than its factorization.

330400013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730034.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 330400013 is about 18176.9087855994. The cubic root of 330400013 is about 691.3214283517.

Adding to 330400013 its reverse (310004033), we get a palindrome (640404046).

The spelling of 330400013 in words is "three hundred thirty million, four hundred thousand, thirteen".