315722211270 has 64 divisors (see below), whose sum is σ = 770057058816. Its totient is φ = 82826599680.

The previous prime is 315722211263. The next prime is 315722211271. The reversal of 315722211270 is 72112227513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315722211271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1426407 + ... + 1632813.

It is an arithmetic number, because the mean of its divisors is an integer number (12032141544).

Almost surely, 2^315722211270 is an apocalyptic number.

315722211270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 315722211270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385028529408).

315722211270 is an abundant number, since it is smaller than the sum of its proper divisors (454334847546).

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

315722211270 is a wasteful number, since it uses less digits than its factorization.

315722211270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207245.

The product of its (nonzero) digits is 11760, while the sum is 33.

Adding to 315722211270 its reverse (72112227513), we get a palindrome (387834438783).

The spelling of 315722211270 in words is "three hundred fifteen billion, seven hundred twenty-two million, two hundred eleven thousand, two hundred seventy".