315220554442 has 8 divisors (see below), whose sum is σ = 488083439232. Its totient is φ = 152526074700.

The previous prime is 315220554437. The next prime is 315220554463. The reversal of 315220554442 is 244455022513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542101184 + ... + 2542101307.

It is an arithmetic number, because the mean of its divisors is an integer number (61010429904).

Almost surely, 2^315220554442 is an apocalyptic number.

315220554442 is a deficient number, since it is larger than the sum of its proper divisors (172862884790).

315220554442 is a wasteful number, since it uses less digits than its factorization.

315220554442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084202524.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 315220554442 its reverse (244455022513), we get a palindrome (559675576955).

The spelling of 315220554442 in words is "three hundred fifteen billion, two hundred twenty million, five hundred fifty-four thousand, four hundred forty-two".