10385131 has 2 divisors, whose sum is σ = 10385132. Its totient is φ = 10385130.

The previous prime is 10385129. The next prime is 10385149. The reversal of 10385131 is 13158301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10385131 - 2¹ = 10385129 is a prime.

It is a super-2 number, since 2×10385131² = 215701891774322, which contains 22 as substring.

Together with 10385129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10385101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5192565 + 5192566.

It is an arithmetic number, because the mean of its divisors is an integer number (5192566).

Almost surely, 2^10385131 is an apocalyptic number.

10385131 is a deficient number, since it is larger than the sum of its proper divisors (1).

10385131 is an equidigital number, since it uses as much as digits as its factorization.

10385131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 10385131 is about 3222.5969341511. The cubic root of 10385131 is about 218.1745018643.

The spelling of 10385131 in words is "ten million, three hundred eighty-five thousand, one hundred thirty-one".