1144344420231 has 8 divisors (see below), whose sum is σ = 1525863327744. Its totient is φ = 762860896440.

The previous prime is 1144344420227. The next prime is 1144344420277. The reversal of 1144344420231 is 1320244434411.

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 1144344420231 - 2² = 1144344420227 is a prime.

It is a super-2 number, since 2×1144344420231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1144344420192 and 1144344420201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144344420211) 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, 8770375 + ... + 8899896.

It is an arithmetic number, because the mean of its divisors is an integer number (190732915968).

Almost surely, 2^{1144344420231} is an apocalyptic number.

1144344420231 is a deficient number, since it is larger than the sum of its proper divisors (381518907513).

1144344420231 is a wasteful number, since it uses less digits than its factorization.

1144344420231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17691861.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 1144344420231 its reverse (1320244434411), we get a palindrome (2464588854642).

The spelling of 1144344420231 in words is "one trillion, one hundred forty-four billion, three hundred forty-four million, four hundred twenty thousand, two hundred thirty-one".