18022312231331 has 8 divisors (see below), whose sum is σ = 18102012897024. Its totient is φ = 17942614261000.

The previous prime is 18022312231307. The next prime is 18022312231367. The reversal of 18022312231331 is 13313221322081.

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 18022312231331 - 2²⁶ = 18022245122467 is a prime.

It is a super-2 number, since 2×18022312231331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18022312231381) 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, 13374626 + ... + 14660328.

It is an arithmetic number, because the mean of its divisors is an integer number (2262751612128).

Almost surely, 2^{18022312231331} is an apocalyptic number.

18022312231331 is a deficient number, since it is larger than the sum of its proper divisors (79700665693).

18022312231331 is a wasteful number, since it uses less digits than its factorization.

18022312231331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347681.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 18022312231331 in words is "eighteen trillion, twenty-two billion, three hundred twelve million, two hundred thirty-one thousand, three hundred thirty-one".