1313198193 has 8 divisors (see below), whose sum is σ = 1761052608. Its totient is φ = 870404624.

The previous prime is 1313198141. The next prime is 1313198197. The reversal of 1313198193 is 3918913131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313198193 - 2⁹ = 1313197681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313198197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1264605 + ... + 1265642.

It is an arithmetic number, because the mean of its divisors is an integer number (220131576).

Almost surely, 2^1313198193 is an apocalyptic number.

It is an amenable number.

1313198193 is a deficient number, since it is larger than the sum of its proper divisors (447854415).

1313198193 is a wasteful number, since it uses less digits than its factorization.

1313198193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530423.

The product of its digits is 17496, while the sum is 39.

The square root of 1313198193 is about 36238.0765631952. The cubic root of 1313198193 is about 1095.0738933891.

The spelling of 1313198193 in words is "one billion, three hundred thirteen million, one hundred ninety-eight thousand, one hundred ninety-three".