1313331332 has 12 divisors (see below), whose sum is σ = 2302209756. Its totient is φ = 655557120.

The previous prime is 1313331289. The next prime is 1313331347. The reversal of 1313331332 is 2331333131.

It can be written as a sum of positive squares in 2 ways, for example, as 1021058116 + 292273216 = 31954^2 + 17096^2 .

It is a super-2 number, since 2×1313331332² = 3449678375225788448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313331298 and 1313331307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274469 + ... + 279212.

It is an arithmetic number, because the mean of its divisors is an integer number (191850813).

Almost surely, 2^1313331332 is an apocalyptic number.

It is an amenable number.

1313331332 is a deficient number, since it is larger than the sum of its proper divisors (988878424).

1313331332 is a wasteful number, since it uses less digits than its factorization.

1313331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554278 (or 554276 counting only the distinct ones).

The product of its digits is 1458, while the sum is 23.

The square root of 1313331332 is about 36239.9135208681. The cubic root of 1313331332 is about 1095.1109002723.

Adding to 1313331332 its reverse (2331333131), we get a palindrome (3644664463).

The spelling of 1313331332 in words is "one billion, three hundred thirteen million, three hundred thirty-one thousand, three hundred thirty-two".