1313332011 has 6 divisors (see below), whose sum is σ = 1897035140. Its totient is φ = 875554668.

The previous prime is 1313331989. The next prime is 1313332061. The reversal of 1313332011 is 1102333131.

It is a happy number.

1313332011 is a `hidden beast` number, since 131 + 333 + 201 + 1 = 666.

It is not a de Polignac number, because 1313332011 - 2⁷ = 1313331883 is a prime.

It is a super-2 number, since 2×1313332011² = 3449681942234608242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313332061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72962881 + ... + 72962898.

Almost surely, 2^1313332011 is an apocalyptic number.

1313332011 is a deficient number, since it is larger than the sum of its proper divisors (583703129).

1313332011 is a wasteful number, since it uses less digits than its factorization.

1313332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145925785 (or 145925782 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1313332011 is about 36239.9228889908. The cubic root of 1313332011 is about 1095.1110889985. Note that the first 3 decimals are identical.

Adding to 1313332011 its reverse (1102333131), we get a palindrome (2415665142).

The spelling of 1313332011 in words is "one billion, three hundred thirteen million, three hundred thirty-two thousand, eleven".