1334331213 has 4 divisors (see below), whose sum is σ = 1779108288. Its totient is φ = 889554140.

The previous prime is 1334331211. The next prime is 1334331217. The reversal of 1334331213 is 3121334331.

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: 3121334331 = 3 ⋅1040444777.

It is a cyclic number.

It is not a de Polignac number, because 1334331213 - 2¹ = 1334331211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334331211) 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, 222388533 + ... + 222388538.

It is an arithmetic number, because the mean of its divisors is an integer number (444777072).

Almost surely, 2^1334331213 is an apocalyptic number.

It is an amenable number.

1334331213 is a deficient number, since it is larger than the sum of its proper divisors (444777075).

1334331213 is an equidigital number, since it uses as much as digits as its factorization.

1334331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444777074.

The product of its digits is 1944, while the sum is 24.

The square root of 1334331213 is about 36528.4986414717. The cubic root of 1334331213 is about 1100.9169249998.

Adding to 1334331213 its reverse (3121334331), we get a palindrome (4455665544).

The spelling of 1334331213 in words is "one billion, three hundred thirty-four million, three hundred thirty-one thousand, two hundred thirteen".