315690941 has 4 divisors (see below), whose sum is σ = 316444800. Its totient is φ = 314937084.

The previous prime is 315690937. The next prime is 315690967. The reversal of 315690941 is 149096513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315690941 - 2² = 315690937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315690895 and 315690904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315690911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376301 + ... + 377138.

It is an arithmetic number, because the mean of its divisors is an integer number (79111200).

Almost surely, 2^315690941 is an apocalyptic number.

It is an amenable number.

315690941 is a deficient number, since it is larger than the sum of its proper divisors (753859).

315690941 is an equidigital number, since it uses as much as digits as its factorization.

315690941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753858.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 315690941 is about 17767.6937445466. The cubic root of 315690941 is about 680.9063325552.

The spelling of 315690941 in words is "three hundred fifteen million, six hundred ninety thousand, nine hundred forty-one".