1330631413 has 2 divisors, whose sum is σ = 1330631414. Its totient is φ = 1330631412.

The previous prime is 1330631339. The next prime is 1330631417. The reversal of 1330631413 is 3141360331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1184874084 + 145757329 = 34422^2 + 12073^2 .

It is an emirp because it is prime and its reverse (3141360331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330631413 - 2²¹ = 1328534261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330631417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665315706 + 665315707.

It is an arithmetic number, because the mean of its divisors is an integer number (665315707).

Almost surely, 2^1330631413 is an apocalyptic number.

It is an amenable number.

1330631413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330631413 is an equidigital number, since it uses as much as digits as its factorization.

1330631413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1330631413 is about 36477.8208367770. The cubic root of 1330631413 is about 1099.8984515072.

Adding to 1330631413 its reverse (3141360331), we get a palindrome (4471991744).

The spelling of 1330631413 in words is "one billion, three hundred thirty million, six hundred thirty-one thousand, four hundred thirteen".