2231332443247 has 8 divisors (see below), whose sum is σ = 2309089807440. Its totient is φ = 2153629403520.

The previous prime is 2231332443211. The next prime is 2231332443257. The reversal of 2231332443247 is 7423442331322.

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

It is a de Polignac number, because none of the positive numbers 2^k-2231332443247 is a prime.

It is a super-3 number, since 3×2231332443247³ (a number of 38 digits) contains 333 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 (2231332443257) 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, 13497529 + ... + 13661842.

It is an arithmetic number, because the mean of its divisors is an integer number (288636225930).

Almost surely, 2^{2231332443247} is an apocalyptic number.

2231332443247 is a deficient number, since it is larger than the sum of its proper divisors (77757364193).

2231332443247 is a wasteful number, since it uses less digits than its factorization.

2231332443247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27162233.

The product of its digits is 580608, while the sum is 40.

Adding to 2231332443247 its reverse (7423442331322), we get a palindrome (9654774774569).

The spelling of 2231332443247 in words is "two trillion, two hundred thirty-one billion, three hundred thirty-two million, four hundred forty-three thousand, two hundred forty-seven".