195371313 has 4 divisors (see below), whose sum is σ = 260495088. Its totient is φ = 130247540.

The previous prime is 195371291. The next prime is 195371329. The reversal of 195371313 is 313173591.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313173591 = 3 ⋅104391197.

It is a cyclic number.

It is not a de Polignac number, because 195371313 - 2¹⁶ = 195305777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195371383) 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, 32561883 + ... + 32561888.

It is an arithmetic number, because the mean of its divisors is an integer number (65123772).

Almost surely, 2^195371313 is an apocalyptic number.

It is an amenable number.

195371313 is a deficient number, since it is larger than the sum of its proper divisors (65123775).

195371313 is an equidigital number, since it uses as much as digits as its factorization.

195371313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65123774.

The product of its digits is 8505, while the sum is 33.

The square root of 195371313 is about 13977.5288588506. The cubic root of 195371313 is about 580.2568353201.

The spelling of 195371313 in words is "one hundred ninety-five million, three hundred seventy-one thousand, three hundred thirteen".