10442731 has 4 divisors (see below), whose sum is σ = 11246032. Its totient is φ = 9639432.

The previous prime is 10442701. The next prime is 10442767. The reversal of 10442731 is 13724401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13724401 = 1181 ⋅11621.

It is a cyclic number.

It is not a de Polignac number, because 10442731 - 2⁷ = 10442603 is a prime.

It is a super-2 number, since 2×10442731² = 218101261476722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (10442701) 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, 401631 + ... + 401656.

It is an arithmetic number, because the mean of its divisors is an integer number (2811508).

Almost surely, 2^10442731 is an apocalyptic number.

10442731 is a deficient number, since it is larger than the sum of its proper divisors (803301).

10442731 is an equidigital number, since it uses as much as digits as its factorization.

10442731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803300.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 10442731 is about 3231.5214682870. The cubic root of 10442731 is about 218.5771188069.

The spelling of 10442731 in words is "ten million, four hundred forty-two thousand, seven hundred thirty-one".