315605143238 has 32 divisors (see below), whose sum is σ = 591143574528. Its totient is φ = 122771174400.

The previous prime is 315605143213. The next prime is 315605143241. The reversal of 315605143238 is 832341506513.

It is a junction number, because it is equal to n+sod(n) for n = 315605143195 and 315605143204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1499870 + ... + 1697297.

It is an arithmetic number, because the mean of its divisors is an integer number (18473236704).

Almost surely, 2^315605143238 is an apocalyptic number.

315605143238 is a deficient number, since it is larger than the sum of its proper divisors (275538431290).

315605143238 is a wasteful number, since it uses less digits than its factorization.

315605143238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197828.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 315605143238 in words is "three hundred fifteen billion, six hundred five million, one hundred forty-three thousand, two hundred thirty-eight".