315143223430 has 64 divisors (see below), whose sum is σ = 651652024320. Its totient is φ = 107490470400.

The previous prime is 315143223419. The next prime is 315143223487. The reversal of 315143223430 is 34322341513.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 315143223392 and 315143223401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17383911 + ... + 17402029.

It is an arithmetic number, because the mean of its divisors is an integer number (10182062880).

Almost surely, 2^315143223430 is an apocalyptic number.

315143223430 is an abundant number, since it is smaller than the sum of its proper divisors (336508800890).

315143223430 is a wasteful number, since it uses less digits than its factorization.

315143223430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19405.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 315143223430 its reverse (34322341513), we get a palindrome (349465564943).

The spelling of 315143223430 in words is "three hundred fifteen billion, one hundred forty-three million, two hundred twenty-three thousand, four hundred thirty".