315132451 has 8 divisors (see below), whose sum is σ = 333864720. Its totient is φ = 296421888.

The previous prime is 315132449. The next prime is 315132487. The reversal of 315132451 is 154231513.

It is a happy number.

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 315132451 - 2¹ = 315132449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315132551) 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, 31840 + ... + 40546.

It is an arithmetic number, because the mean of its divisors is an integer number (41733090).

Almost surely, 2^315132451 is an apocalyptic number.

315132451 is a deficient number, since it is larger than the sum of its proper divisors (18732269).

315132451 is a wasteful number, since it uses less digits than its factorization.

315132451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10853.

The product of its digits is 1800, while the sum is 25.

The square root of 315132451 is about 17751.9703413452. The cubic root of 315132451 is about 680.5045642431.

Adding to 315132451 its reverse (154231513), we get a palindrome (469363964).

The spelling of 315132451 in words is "three hundred fifteen million, one hundred thirty-two thousand, four hundred fifty-one".