315432030 has 32 divisors (see below), whose sum is σ = 777500064. Its totient is φ = 81841536.

The previous prime is 315432017. The next prime is 315432031. The reversal of 315432030 is 30234513.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 315431988 and 315432006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315432031) 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, 140977 + ... + 143196.

It is an arithmetic number, because the mean of its divisors is an integer number (24296877).

Almost surely, 2^315432030 is an apocalyptic number.

315432030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

315432030 is an abundant number, since it is smaller than the sum of its proper divisors (462068034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315432030 is a wasteful number, since it uses less digits than its factorization.

315432030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284220.

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

The square root of 315432030 is about 17760.4062453537. The cubic root of 315432030 is about 680.7201353035.

Adding to 315432030 its reverse (30234513), we get a palindrome (345666543).

The spelling of 315432030 in words is "three hundred fifteen million, four hundred thirty-two thousand, thirty".