445313311 has 2 divisors, whose sum is σ = 445313312. Its totient is φ = 445313310.

The previous prime is 445313269. The next prime is 445313321. The reversal of 445313311 is 113313544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445313311 - 2¹⁷ = 445182239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445313321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222656655 + 222656656.

It is an arithmetic number, because the mean of its divisors is an integer number (222656656).

Almost surely, 2^445313311 is an apocalyptic number.

445313311 is a deficient number, since it is larger than the sum of its proper divisors (1).

445313311 is an equidigital number, since it uses as much as digits as its factorization.

445313311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 445313311 is about 21102.4479859565. The cubic root of 445313311 is about 763.6398066141.

Adding to 445313311 its reverse (113313544), we get a palindrome (558626855).

The spelling of 445313311 in words is "four hundred forty-five million, three hundred thirteen thousand, three hundred eleven".