31132233111331 has 8 divisors (see below), whose sum is σ = 34133101632000. Its totient is φ = 28159808842440.

The previous prime is 31132233111319. The next prime is 31132233111367. The reversal of 31132233111331 is 13311133223113.

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 31132233111331 - 2¹⁷ = 31132232980259 is a prime.

It is a super-2 number, since 2×31132233111331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31132233111331.

It is not an unprimeable number, because it can be changed into a prime (31132233111391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7111060651 + ... + 7111065028.

It is an arithmetic number, because the mean of its divisors is an integer number (4266637704000).

Almost surely, 2^{31132233111331} is an apocalyptic number.

31132233111331 is a deficient number, since it is larger than the sum of its proper divisors (3000868520669).

31132233111331 is a wasteful number, since it uses less digits than its factorization.

31132233111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14222125889.

The product of its digits is 2916, while the sum is 28.

Adding to 31132233111331 its reverse (13311133223113), we get a palindrome (44443366334444).

The spelling of 31132233111331 in words is "thirty-one trillion, one hundred thirty-two billion, two hundred thirty-three million, one hundred eleven thousand, three hundred thirty-one".