315771049 has 12 divisors (see below), whose sum is σ = 347049360. Its totient is φ = 284937000.

The previous prime is 315771037. The next prime is 315771091. The reversal of 315771049 is 940177513.

It is not a de Polignac number, because 315771049 - 2⁷ = 315770921 is a prime.

It is a super-2 number, since 2×315771049² = 199422710773120802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315770999 and 315771017.

It is not an unprimeable number, because it can be changed into a prime (315771019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250182 + ... + 251440.

It is an arithmetic number, because the mean of its divisors is an integer number (28920780).

Almost surely, 2^315771049 is an apocalyptic number.

It is an amenable number.

315771049 is a deficient number, since it is larger than the sum of its proper divisors (31278311).

315771049 is a wasteful number, since it uses less digits than its factorization.

315771049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 315771049 is about 17769.9479177627. The cubic root of 315771049 is about 680.9639220352.

The spelling of 315771049 in words is "three hundred fifteen million, seven hundred seventy-one thousand, forty-nine".