315434121 has 16 divisors (see below), whose sum is σ = 439447680. Its totient is φ = 200879360.

The previous prime is 315434117. The next prime is 315434129. The reversal of 315434121 is 121434513.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 315434121 - 2² = 315434117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 315434091 and 315434100.

It is not an unprimeable number, because it can be changed into a prime (315434129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58195 + ... + 63383.

It is an arithmetic number, because the mean of its divisors is an integer number (27465480).

Almost surely, 2^315434121 is an apocalyptic number.

It is an amenable number.

315434121 is a deficient number, since it is larger than the sum of its proper divisors (124013559).

315434121 is a wasteful number, since it uses less digits than its factorization.

315434121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6096.

The product of its digits is 1440, while the sum is 24.

The square root of 315434121 is about 17760.4651121529. The cubic root of 315434121 is about 680.7216394656.

Adding to 315434121 its reverse (121434513), we get a palindrome (436868634).

The spelling of 315434121 in words is "three hundred fifteen million, four hundred thirty-four thousand, one hundred twenty-one".