22031444131401 has 4 divisors (see below), whose sum is σ = 29375258841872. Its totient is φ = 14687629420932.

The previous prime is 22031444131379. The next prime is 22031444131427. The reversal of 22031444131401 is 10413144413022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22031444131401 - 2¹⁵ = 22031444098633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031444131441) 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, 3671907355231 + ... + 3671907355236.

It is an arithmetic number, because the mean of its divisors is an integer number (7343814710468).

Almost surely, 2^{22031444131401} is an apocalyptic number.

It is an amenable number.

22031444131401 is a deficient number, since it is larger than the sum of its proper divisors (7343814710471).

22031444131401 is an equidigital number, since it uses as much as digits as its factorization.

22031444131401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343814710470.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 22031444131401 its reverse (10413144413022), we get a palindrome (32444588544423).

The spelling of 22031444131401 in words is "twenty-two trillion, thirty-one billion, four hundred forty-four million, one hundred thirty-one thousand, four hundred one".