80831113 has 4 divisors (see below), whose sum is σ = 88179408. Its totient is φ = 73482820.

The previous prime is 80831089. The next prime is 80831119. The reversal of 80831113 is 31113808.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80831113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80831119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3674131 + ... + 3674152.

It is an arithmetic number, because the mean of its divisors is an integer number (22044852).

Almost surely, 2^80831113 is an apocalyptic number.

It is an amenable number.

80831113 is a deficient number, since it is larger than the sum of its proper divisors (7348295).

80831113 is a wasteful number, since it uses less digits than its factorization.

80831113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348294.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 80831113 is about 8990.6124930396. The cubic root of 80831113 is about 432.3739492555.

The spelling of 80831113 in words is "eighty million, eight hundred thirty-one thousand, one hundred thirteen".