31043000231 has 8 divisors (see below), whose sum is σ = 31156629504. Its totient is φ = 30929460120.

The previous prime is 31043000221. The next prime is 31043000251. The reversal of 31043000231 is 13200034013.

It is a happy number.

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 31043000231 - 2¹⁴ = 31042983847 is a prime.

It is a super-2 number, since 2×31043000231² (a number of 22 digits) 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 (31043000221) 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, 720170 + ... + 762056.

It is an arithmetic number, because the mean of its divisors is an integer number (3894578688).

Almost surely, 2^31043000231 is an apocalyptic number.

31043000231 is a deficient number, since it is larger than the sum of its proper divisors (113629273).

31043000231 is a wasteful number, since it uses less digits than its factorization.

31043000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44581.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31043000231 its reverse (13200034013), we get a palindrome (44243034244).

The spelling of 31043000231 in words is "thirty-one billion, forty-three million, two hundred thirty-one", and thus it is an aban number.