713231191 has 4 divisors (see below), whose sum is σ = 737825400. Its totient is φ = 688636984.

The previous prime is 713231161. The next prime is 713231221. The reversal of 713231191 is 191132317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191132317 = 83 ⋅2302799.

It is an interprime number because it is at equal distance from previous prime (713231161) and next prime (713231221).

It is a cyclic number.

It is not a de Polignac number, because 713231191 - 2¹³ = 713222999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713231131) 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, 12297061 + ... + 12297118.

It is an arithmetic number, because the mean of its divisors is an integer number (184456350).

Almost surely, 2^713231191 is an apocalyptic number.

713231191 is a deficient number, since it is larger than the sum of its proper divisors (24594209).

713231191 is a wasteful number, since it uses less digits than its factorization.

713231191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24594208.

The product of its digits is 1134, while the sum is 28.

The square root of 713231191 is about 26706.3885802630. The cubic root of 713231191 is about 893.4634187961.

The spelling of 713231191 in words is "seven hundred thirteen million, two hundred thirty-one thousand, one hundred ninety-one".