315022510201242 has 32 divisors (see below), whose sum is σ = 640461559890240. Its totient is φ = 103271886241920.

The previous prime is 315022510201241. The next prime is 315022510201253. The reversal of 315022510201242 is 242102015220513.

It is not an unprimeable number, because it can be changed into a prime (315022510201241) 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, 56425267 + ... + 61756422.

It is an arithmetic number, because the mean of its divisors is an integer number (20014423746570).

Almost surely, 2^{315022510201242} is an apocalyptic number.

315022510201242 is an abundant number, since it is smaller than the sum of its proper divisors (325439049688998).

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

315022510201242 is a wasteful number, since it uses less digits than its factorization.

315022510201242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118189038.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 315022510201242 its reverse (242102015220513), we get a palindrome (557124525421755).

The spelling of 315022510201242 in words is "three hundred fifteen trillion, twenty-two billion, five hundred ten million, two hundred one thousand, two hundred forty-two".