10239731 has 2 divisors, whose sum is σ = 10239732. Its totient is φ = 10239730.

The previous prime is 10239679. The next prime is 10239739. The reversal of 10239731 is 13793201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10239731 - 2¹⁴ = 10223347 is a prime.

It is a super-2 number, since 2×10239731² = 209704181904722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10239731.

It is not a weakly prime, because it can be changed into another prime (10239739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5119865 + 5119866.

It is an arithmetic number, because the mean of its divisors is an integer number (5119866).

Almost surely, 2^10239731 is an apocalyptic number.

10239731 is a deficient number, since it is larger than the sum of its proper divisors (1).

10239731 is an equidigital number, since it uses as much as digits as its factorization.

10239731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 10239731 is about 3199.9579684740. The cubic root of 10239731 is about 217.1515078049.

The spelling of 10239731 in words is "ten million, two hundred thirty-nine thousand, seven hundred thirty-one".