201313400442 has 32 divisors (see below), whose sum is σ = 501976272384. Its totient is φ = 52289194800.

The previous prime is 201313400401. The next prime is 201313400459. The reversal of 201313400442 is 244004313102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217871184 + ... + 217872107.

It is an arithmetic number, because the mean of its divisors is an integer number (15686758512).

Almost surely, 2^201313400442 is an apocalyptic number.

201313400442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201313400442 is an abundant number, since it is smaller than the sum of its proper divisors (300662871942).

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

201313400442 is a wasteful number, since it uses less digits than its factorization.

201313400442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435743314.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201313400442 its reverse (244004313102), we get a palindrome (445317713544).

The spelling of 201313400442 in words is "two hundred one billion, three hundred thirteen million, four hundred thousand, four hundred forty-two".