10111331231 has 8 divisors (see below), whose sum is σ = 10552869600. Its totient is φ = 9669952512.

The previous prime is 10111331221. The next prime is 10111331239. The reversal of 10111331231 is 13213311101.

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 10111331231 - 2²⁶ = 10044222367 is a prime.

It is a super-2 number, since 2×10111331231² (a number of 21 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 (10111331239) 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, 99995 + ... + 173843.

It is an arithmetic number, because the mean of its divisors is an integer number (1319108700).

Almost surely, 2^10111331231 is an apocalyptic number.

10111331231 is a deficient number, since it is larger than the sum of its proper divisors (441538369).

10111331231 is an equidigital number, since it uses as much as digits as its factorization.

10111331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79825.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 10111331231 its reverse (13213311101), we get a palindrome (23324642332).

The spelling of 10111331231 in words is "ten billion, one hundred eleven million, three hundred thirty-one thousand, two hundred thirty-one".