201313310452 has 6 divisors (see below), whose sum is σ = 352298293298. Its totient is φ = 100656655224.

The previous prime is 201313310423. The next prime is 201313310477. The reversal of 201313310452 is 254013313102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 194634498276 + 6678812176 = 441174^2 + 81724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25164163803 + ... + 25164163810.

Almost surely, 2^201313310452 is an apocalyptic number.

It is an amenable number.

201313310452 is a deficient number, since it is larger than the sum of its proper divisors (150984982846).

201313310452 is a wasteful number, since it uses less digits than its factorization.

201313310452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50328327617 (or 50328327615 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 201313310452 its reverse (254013313102), we get a palindrome (455326623554).

The spelling of 201313310452 in words is "two hundred one billion, three hundred thirteen million, three hundred ten thousand, four hundred fifty-two".