201313122 has 16 divisors (see below), whose sum is σ = 408142560. Its totient is φ = 66184992.

The previous prime is 201313109. The next prime is 201313129. The reversal of 201313122 is 221313102.

It is not an unprimeable number, because it can be changed into a prime (201313129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 229372 + ... + 230247.

It is an arithmetic number, because the mean of its divisors is an integer number (25508910).

Almost surely, 2^201313122 is an apocalyptic number.

201313122 is an abundant number, since it is smaller than the sum of its proper divisors (206829438).

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

201313122 is a wasteful number, since it uses less digits than its factorization.

201313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459697.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 201313122 is about 14188.4855428619. The cubic root of 201313122 is about 586.0806207925.

Adding to 201313122 its reverse (221313102), we get a palindrome (422626224).

The spelling of 201313122 in words is "two hundred one million, three hundred thirteen thousand, one hundred twenty-two".