1320650313 has 8 divisors (see below), whose sum is σ = 1817669376. Its totient is φ = 852032400.

The previous prime is 1320650311. The next prime is 1320650351. The reversal of 1320650313 is 3130560231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320650313 - 2¹ = 1320650311 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1320650311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7100178 + ... + 7100363.

It is an arithmetic number, because the mean of its divisors is an integer number (227208672).

Almost surely, 2^1320650313 is an apocalyptic number.

It is an amenable number.

1320650313 is a deficient number, since it is larger than the sum of its proper divisors (497019063).

1320650313 is a wasteful number, since it uses less digits than its factorization.

1320650313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14200575.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1320650313 is about 36340.7527852685. The cubic root of 1320650313 is about 1097.1414243964.

The spelling of 1320650313 in words is "one billion, three hundred twenty million, six hundred fifty thousand, three hundred thirteen".