315920030 has 16 divisors (see below), whose sum is σ = 598585680. Its totient is φ = 119716992.

The previous prime is 315920029. The next prime is 315920063. The reversal of 315920030 is 30029513.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 315919978 and 315920005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831179 + ... + 831558.

It is an arithmetic number, because the mean of its divisors is an integer number (37411605).

Almost surely, 2^315920030 is an apocalyptic number.

315920030 is a deficient number, since it is larger than the sum of its proper divisors (282665650).

315920030 is a wasteful number, since it uses less digits than its factorization.

315920030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662763.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 315920030 is about 17774.1393603178. The cubic root of 315920030 is about 681.0709982810.

Adding to 315920030 its reverse (30029513), we get a palindrome (345949543).

The spelling of 315920030 in words is "three hundred fifteen million, nine hundred twenty thousand, thirty".