10042831 has 4 divisors (see below), whose sum is σ = 10192792. Its totient is φ = 9892872.

The previous prime is 10042817. The next prime is 10042841. The reversal of 10042831 is 13824001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10042831 - 2¹³ = 10034639 is a prime.

It is a super-2 number, since 2×10042831² = 201716908989122, 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 = 10042799 and 10042808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042841) 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, 74880 + ... + 75013.

It is an arithmetic number, because the mean of its divisors is an integer number (2548198).

Almost surely, 2^10042831 is an apocalyptic number.

10042831 is a deficient number, since it is larger than the sum of its proper divisors (149961).

10042831 is an equidigital number, since it uses as much as digits as its factorization.

10042831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149960.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 10042831 is about 3169.0425999030. The cubic root of 10042831 is about 215.7506195416.

Adding to 10042831 its reverse (13824001), we get a palindrome (23866832).

The spelling of 10042831 in words is "ten million, forty-two thousand, eight hundred thirty-one".