201142313 has 4 divisors (see below), whose sum is σ = 202589520. Its totient is φ = 199695108.

The previous prime is 201142309. The next prime is 201142321. The reversal of 201142313 is 313241102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201142313 - 2² = 201142309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201142291 and 201142300.

It is not an unprimeable number, because it can be changed into a prime (201142343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723395 + ... + 723672.

It is an arithmetic number, because the mean of its divisors is an integer number (50647380).

Almost surely, 2^201142313 is an apocalyptic number.

It is an amenable number.

201142313 is a deficient number, since it is larger than the sum of its proper divisors (1447207).

201142313 is a wasteful number, since it uses less digits than its factorization.

201142313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447206.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 201142313 is about 14182.4649832108. The cubic root of 201142313 is about 585.9148157850.

Adding to 201142313 its reverse (313241102), we get a palindrome (514383415).

The spelling of 201142313 in words is "two hundred one million, one hundred forty-two thousand, three hundred thirteen".