10385431 has 4 divisors (see below), whose sum is σ = 11869072. Its totient is φ = 8901792.

The previous prime is 10385429. The next prime is 10385447. The reversal of 10385431 is 13458301.

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 10385431 - 2¹ = 10385429 is a prime.

It is a super-2 number, since 2×10385431² = 215714354111522, 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 = 10385396 and 10385405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10385461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741810 + ... + 741823.

It is an arithmetic number, because the mean of its divisors is an integer number (2967268).

Almost surely, 2^10385431 is an apocalyptic number.

10385431 is a deficient number, since it is larger than the sum of its proper divisors (1483641).

10385431 is an equidigital number, since it uses as much as digits as its factorization.

10385431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483640.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 10385431 is about 3222.6434801262. The cubic root of 10385431 is about 218.1766026794.

It can be divided in two parts, 10385 and 431, that added together give a square (10816 = 104²).

The spelling of 10385431 in words is "ten million, three hundred eighty-five thousand, four hundred thirty-one".