315654109 has 4 divisors (see below), whose sum is σ = 318718816. Its totient is φ = 312589404.

The previous prime is 315654107. The next prime is 315654151. The reversal of 315654109 is 901456513.

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, and also an emirpimes, since its reverse is a distinct semiprime: 901456513 = 13691 ⋅65843.

It is a cyclic number.

It is not a de Polignac number, because 315654109 - 2¹ = 315654107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315654107) 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, 1532199 + ... + 1532404.

It is an arithmetic number, because the mean of its divisors is an integer number (79679704).

Almost surely, 2^315654109 is an apocalyptic number.

It is an amenable number.

315654109 is a deficient number, since it is larger than the sum of its proper divisors (3064707).

315654109 is a wasteful number, since it uses less digits than its factorization.

315654109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064706.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 315654109 is about 17766.6572263890. The cubic root of 315654109 is about 680.8798508351.

The spelling of 315654109 in words is "three hundred fifteen million, six hundred fifty-four thousand, one hundred nine".