1160313221 has 2 divisors, whose sum is σ = 1160313222. Its totient is φ = 1160313220.

The previous prime is 1160313197. The next prime is 1160313233. The reversal of 1160313221 is 1223130611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666362596 + 493950625 = 25814^2 + 22225^2 .

It is an emirp because it is prime and its reverse (1223130611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1160313221 - 2²² = 1156118917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1160313193 and 1160313202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1160313251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580156610 + 580156611.

It is an arithmetic number, because the mean of its divisors is an integer number (580156611).

Almost surely, 2^1160313221 is an apocalyptic number.

It is an amenable number.

1160313221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1160313221 is an equidigital number, since it uses as much as digits as its factorization.

1160313221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1160313221 is about 34063.3706641019. The cubic root of 1160313221 is about 1050.8121369101.

Adding to 1160313221 its reverse (1223130611), we get a palindrome (2383443832).

The spelling of 1160313221 in words is "one billion, one hundred sixty million, three hundred thirteen thousand, two hundred twenty-one".