315941441 has 2 divisors, whose sum is σ = 315941442. Its totient is φ = 315941440.

The previous prime is 315941407. The next prime is 315941459. The reversal of 315941441 is 144149513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292273216 + 23668225 = 17096^2 + 4865^2 .

It is an emirp because it is prime and its reverse (144149513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315941441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315941398 and 315941407.

It is not a weakly prime, because it can be changed into another prime (315941641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157970720 + 157970721.

It is an arithmetic number, because the mean of its divisors is an integer number (157970721).

Almost surely, 2^315941441 is an apocalyptic number.

It is an amenable number.

315941441 is a deficient number, since it is larger than the sum of its proper divisors (1).

315941441 is an equidigital number, since it uses as much as digits as its factorization.

315941441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 315941441 is about 17774.7416577569. The cubic root of 315941441 is about 681.0863841174.

The spelling of 315941441 in words is "three hundred fifteen million, nine hundred forty-one thousand, four hundred forty-one".