36230731 has 2 divisors, whose sum is σ = 36230732. Its totient is φ = 36230730.

The previous prime is 36230729. The next prime is 36230741. The reversal of 36230731 is 13703263.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36230731 - 2¹ = 36230729 is a prime.

It is a super-2 number, since 2×36230731² = 2625331737588722, which contains 22 as substring.

Together with 36230729, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 36230696 and 36230705.

It is not a weakly prime, because it can be changed into another prime (36230741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18115365 + 18115366.

It is an arithmetic number, because the mean of its divisors is an integer number (18115366).

Almost surely, 2^36230731 is an apocalyptic number.

36230731 is a deficient number, since it is larger than the sum of its proper divisors (1).

36230731 is an equidigital number, since it uses as much as digits as its factorization.

36230731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 36230731 is about 6019.1968733378. The cubic root of 36230731 is about 330.8966462941.

Adding to 36230731 its reverse (13703263), we get a palindrome (49933994).

The spelling of 36230731 in words is "thirty-six million, two hundred thirty thousand, seven hundred thirty-one".