993112031 has 4 divisors (see below), whose sum is σ = 993480000. Its totient is φ = 992744064.

The previous prime is 993112027. The next prime is 993112091. The reversal of 993112031 is 130211399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130211399 = 37 ⋅3519227.

It is a cyclic number.

It is not a de Polignac number, because 993112031 - 2² = 993112027 is a prime.

It is a super-2 number, since 2×993112031² = 1972543012233889922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 993111985 and 993112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993112091) 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, 179906 + ... + 185343.

It is an arithmetic number, because the mean of its divisors is an integer number (248370000).

Almost surely, 2^993112031 is an apocalyptic number.

993112031 is a deficient number, since it is larger than the sum of its proper divisors (367969).

993112031 is a wasteful number, since it uses less digits than its factorization.

993112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367968.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 993112031 is about 31513.6800612052. The cubic root of 993112031 is about 997.6987184992.

The spelling of 993112031 in words is "nine hundred ninety-three million, one hundred twelve thousand, thirty-one".