1993032431 has 8 divisors (see below), whose sum is σ = 2146729200. Its totient is φ = 1839390912.

The previous prime is 1993032407. The next prime is 1993032467. The reversal of 1993032431 is 1342303991.

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

It is a cyclic number.

It is not a de Polignac number, because 1993032431 - 2¹⁰ = 1993031407 is a prime.

It is a super-2 number, since 2×1993032431² = 7944356542035539522, 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 = 1993032391 and 1993032400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993032031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90131 + ... + 110043.

It is an arithmetic number, because the mean of its divisors is an integer number (268341150).

Almost surely, 2^1993032431 is an apocalyptic number.

1993032431 is a deficient number, since it is larger than the sum of its proper divisors (153696769).

1993032431 is a wasteful number, since it uses less digits than its factorization.

1993032431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27625.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 1993032431 is about 44643.3917954270. The cubic root of 1993032431 is about 1258.4562497514.

The spelling of 1993032431 in words is "one billion, nine hundred ninety-three million, thirty-two thousand, four hundred thirty-one".