1191431524313 has 16 divisors (see below), whose sum is σ = 1228424054400. Its totient is φ = 1155112358400.

The previous prime is 1191431524303. The next prime is 1191431524337. The reversal of 1191431524313 is 3134251341911.

It is a cyclic number.

It is not a de Polignac number, because 1191431524313 - 2⁶ = 1191431524249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1191431524303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840233 + ... + 1757513.

It is an arithmetic number, because the mean of its divisors is an integer number (76776503400).

Almost surely, 2^{1191431524313} is an apocalyptic number.

It is an amenable number.

1191431524313 is a deficient number, since it is larger than the sum of its proper divisors (36992530087).

1191431524313 is a wasteful number, since it uses less digits than its factorization.

1191431524313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917648.

The product of its digits is 38880, while the sum is 38.

The spelling of 1191431524313 in words is "one trillion, one hundred ninety-one billion, four hundred thirty-one million, five hundred twenty-four thousand, three hundred thirteen".