1311468241 has 2 divisors, whose sum is σ = 1311468242. Its totient is φ = 1311468240.

The previous prime is 1311468239. The next prime is 1311468253. The reversal of 1311468241 is 1428641131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 711022225 + 600446016 = 26665^2 + 24504^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311468241 - 2¹ = 1311468239 is a prime.

Together with 1311468239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1311468541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655734120 + 655734121.

It is an arithmetic number, because the mean of its divisors is an integer number (655734121).

Almost surely, 2^1311468241 is an apocalyptic number.

It is an amenable number.

1311468241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311468241 is an equidigital number, since it uses as much as digits as its factorization.

1311468241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 1311468241 is about 36214.1994388941. The cubic root of 1311468241 is about 1094.5928139983.

The spelling of 1311468241 in words is "one billion, three hundred eleven million, four hundred sixty-eight thousand, two hundred forty-one".