315103561 has 8 divisors (see below), whose sum is σ = 327456000. Its totient is φ = 302887920.

The previous prime is 315103559. The next prime is 315103567. The reversal of 315103561 is 165301513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315103561 - 2¹ = 315103559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315103567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29491 + ... + 38728.

It is an arithmetic number, because the mean of its divisors is an integer number (40932000).

Almost surely, 2^315103561 is an apocalyptic number.

315103561 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

315103561 is a deficient number, since it is larger than the sum of its proper divisors (12352439).

315103561 is a wasteful number, since it uses less digits than its factorization.

315103561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68399.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 315103561 is about 17751.1566102043. The cubic root of 315103561 is about 680.4837683549.

The spelling of 315103561 in words is "three hundred fifteen million, one hundred three thousand, five hundred sixty-one".