993131043 has 8 divisors (see below), whose sum is σ = 1334283456. Its totient is φ = 657033000.

The previous prime is 993131033. The next prime is 993131063. The reversal of 993131043 is 340131399.

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

It is not a de Polignac number, because 993131043 - 2¹² = 993126947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 993130995 and 993131013.

It is not an unprimeable number, because it can be changed into a prime (993131033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263133 + ... + 1263918.

It is an arithmetic number, because the mean of its divisors is an integer number (166785432).

Almost surely, 2^993131043 is an apocalyptic number.

993131043 is a deficient number, since it is larger than the sum of its proper divisors (341152413).

993131043 is a wasteful number, since it uses less digits than its factorization.

993131043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527185.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 993131043 is about 31513.9817065378. The cubic root of 993131043 is about 997.7050850609.

The spelling of 993131043 in words is "nine hundred ninety-three million, one hundred thirty-one thousand, forty-three".