315032403 has 16 divisors (see below), whose sum is σ = 500921856. Its totient is φ = 172191360.

The previous prime is 315032383. The next prime is 315032411. The reversal of 315032403 is 304230513.

It is not a de Polignac number, because 315032403 - 2¹³ = 315024211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 315032403.

It is not an unprimeable number, because it can be changed into a prime (315032453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325638 + ... + 326603.

It is an arithmetic number, because the mean of its divisors is an integer number (31307616).

Almost surely, 2^315032403 is an apocalyptic number.

315032403 is a deficient number, since it is larger than the sum of its proper divisors (185889453).

315032403 is a wasteful number, since it uses less digits than its factorization.

315032403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652274.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 315032403 is about 17749.1521769351. The cubic root of 315032403 is about 680.4325412713.

Adding to 315032403 its reverse (304230513), we get a palindrome (619262916).

It can be divided in two parts, 3150 and 32403, that added together give a palindrome (35553).

The spelling of 315032403 in words is "three hundred fifteen million, thirty-two thousand, four hundred three".