201056313 has 4 divisors (see below), whose sum is σ = 268075088. Its totient is φ = 134037540.

The previous prime is 201056291. The next prime is 201056321. The reversal of 201056313 is 313650102.

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 not a de Polignac number, because 201056313 - 2²⁶ = 133947449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201056313.

It is not an unprimeable number, because it can be changed into a prime (201056393) 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 3 ways as a sum of consecutive naturals, for example, 33509383 + ... + 33509388.

It is an arithmetic number, because the mean of its divisors is an integer number (67018772).

Almost surely, 2^201056313 is an apocalyptic number.

It is an amenable number.

201056313 is a deficient number, since it is larger than the sum of its proper divisors (67018775).

201056313 is an equidigital number, since it uses as much as digits as its factorization.

201056313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67018774.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 201056313 is about 14179.4327460586. The cubic root of 201056313 is about 585.8312996972.

The spelling of 201056313 in words is "two hundred one million, fifty-six thousand, three hundred thirteen".