10431997 has 4 divisors (see below), whose sum is σ = 10439296. Its totient is φ = 10424700.

The previous prime is 10431991. The next prime is 10432001. The reversal of 10431997 is 79913401.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10431997 is a prime.

It is a super-2 number, since 2×10431997² = 217653122816018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10431991) 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 3 ways as a sum of consecutive naturals, for example, 723 + ... + 4624.

It is an arithmetic number, because the mean of its divisors is an integer number (2609824).

Almost surely, 2^10431997 is an apocalyptic number.

It is an amenable number.

10431997 is a deficient number, since it is larger than the sum of its proper divisors (7299).

10431997 is an equidigital number, since it uses as much as digits as its factorization.

10431997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 10431997 is about 3229.8602136935. The cubic root of 10431997 is about 218.5022019059.

The spelling of 10431997 in words is "ten million, four hundred thirty-one thousand, nine hundred ninety-seven".