22131311012331 has 8 divisors (see below), whose sum is σ = 29536226576784. Its totient is φ = 14740301394720.

The previous prime is 22131311012263. The next prime is 22131311012483. The reversal of 22131311012331 is 13321011313122.

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

It is not a de Polignac number, because 22131311012331 - 2¹⁰ = 22131311011307 is a prime.

It is a super-2 number, since 2×22131311012331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22131311032331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3476482996 + ... + 3476489361.

It is an arithmetic number, because the mean of its divisors is an integer number (3692028322098).

Almost surely, 2^{22131311012331} is an apocalyptic number.

22131311012331 is a deficient number, since it is larger than the sum of its proper divisors (7404915564453).

22131311012331 is a wasteful number, since it uses less digits than its factorization.

22131311012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952973421.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 22131311012331 its reverse (13321011313122), we get a palindrome (35452322325453).

The spelling of 22131311012331 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred eleven million, twelve thousand, three hundred thirty-one".