315422342145550 has 48 divisors (see below), whose sum is σ = 594987604418592. Its totient is φ = 124393441536000.

The previous prime is 315422342145503. The next prime is 315422342145551. The reversal of 315422342145550 is 55541243224513.

It is a self number, because there is not a number n which added to its sum of digits gives 315422342145550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315422342145551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122366151 + ... + 124917250.

It is an arithmetic number, because the mean of its divisors is an integer number (12395575092054).

Almost surely, 2^{315422342145550} is an apocalyptic number.

315422342145550 is a deficient number, since it is larger than the sum of its proper divisors (279565262273042).

315422342145550 is a wasteful number, since it uses less digits than its factorization.

315422342145550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247283773 (or 247283768 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 315422342145550 in words is "three hundred fifteen trillion, four hundred twenty-two billion, three hundred forty-two million, one hundred forty-five thousand, five hundred fifty".