40310231 has 8 divisors (see below), whose sum is σ = 43461264. Its totient is φ = 37166400.

The previous prime is 40310227. The next prime is 40310287. The reversal of 40310231 is 13201304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40310231 - 2² = 40310227 is a prime.

It is a super-2 number, since 2×40310231² = 3249829446546722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17795 + ... + 19931.

It is an arithmetic number, because the mean of its divisors is an integer number (5432658).

Almost surely, 2^40310231 is an apocalyptic number.

40310231 is a deficient number, since it is larger than the sum of its proper divisors (3151033).

40310231 is a wasteful number, since it uses less digits than its factorization.

40310231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 40310231 is about 6349.0338635103. The cubic root of 40310231 is about 342.8770593010.

Adding to 40310231 its reverse (13201304), we get a palindrome (53511535).

The spelling of 40310231 in words is "forty million, three hundred ten thousand, two hundred thirty-one".