2231011131 has 8 divisors (see below), whose sum is σ = 3070639104. Its totient is φ = 1439361960.

The previous prime is 2231011129. The next prime is 2231011177. The reversal of 2231011131 is 1311101322.

It is a happy number.

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

It is not a de Polignac number, because 2231011131 - 2¹ = 2231011129 is a prime.

It is a super-3 number, since 3×2231011131³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2231011131.

It is not an unprimeable number, because it can be changed into a prime (2231011631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11994591 + ... + 11994776.

It is an arithmetic number, because the mean of its divisors is an integer number (383829888).

Almost surely, 2^2231011131 is an apocalyptic number.

2231011131 is a deficient number, since it is larger than the sum of its proper divisors (839627973).

2231011131 is a wasteful number, since it uses less digits than its factorization.

2231011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23989401.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2231011131 is about 47233.5805439308. The cubic root of 2231011131 is about 1306.6739880614.

Adding to 2231011131 its reverse (1311101322), we get a palindrome (3542112453).

The spelling of 2231011131 in words is "two billion, two hundred thirty-one million, eleven thousand, one hundred thirty-one".