22340420031 has 4 divisors (see below), whose sum is σ = 29787226712. Its totient is φ = 14893613352.

The previous prime is 22340420017. The next prime is 22340420059. The reversal of 22340420031 is 13002404322.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22340420031 - 2⁵ = 22340419999 is a prime.

It is a super-3 number, since 3×22340420031³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22340420131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3723403336 + ... + 3723403341.

It is an arithmetic number, because the mean of its divisors is an integer number (7446806678).

Almost surely, 2^22340420031 is an apocalyptic number.

22340420031 is a deficient number, since it is larger than the sum of its proper divisors (7446806681).

22340420031 is an equidigital number, since it uses as much as digits as its factorization.

22340420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7446806680.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22340420031 its reverse (13002404322), we get a palindrome (35342824353).

The spelling of 22340420031 in words is "twenty-two billion, three hundred forty million, four hundred twenty thousand, thirty-one".