1334313521 has 4 divisors (see below), whose sum is σ = 1365344112. Its totient is φ = 1303282932.

The previous prime is 1334313481. The next prime is 1334313529. The reversal of 1334313521 is 1253134331.

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.

It is a cyclic number.

It is not a de Polignac number, because 1334313521 - 2⁶ = 1334313457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1334313529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15515231 + ... + 15515316.

It is an arithmetic number, because the mean of its divisors is an integer number (341336028).

Almost surely, 2^1334313521 is an apocalyptic number.

It is an amenable number.

1334313521 is a deficient number, since it is larger than the sum of its proper divisors (31030591).

1334313521 is an equidigital number, since it uses as much as digits as its factorization.

1334313521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31030590.

The product of its digits is 3240, while the sum is 26.

The square root of 1334313521 is about 36528.2564735849. The cubic root of 1334313521 is about 1100.9120592643.

Adding to 1334313521 its reverse (1253134331), we get a palindrome (2587447852).

The spelling of 1334313521 in words is "one billion, three hundred thirty-four million, three hundred thirteen thousand, five hundred twenty-one".