1144321402331 has 4 divisors (see below), whose sum is σ = 1144560155592. Its totient is φ = 1144082649072.

The previous prime is 1144321402321. The next prime is 1144321402369. The reversal of 1144321402331 is 1332041234411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144321402331 - 2¹⁴ = 1144321385947 is a prime.

It is a super-2 number, since 2×1144321402331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144321402294 and 1144321402303.

It is not an unprimeable number, because it can be changed into a prime (1144321402321) 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, 119369441 + ... + 119379026.

It is an arithmetic number, because the mean of its divisors is an integer number (286140038898).

Almost surely, 2^{1144321402331} is an apocalyptic number.

1144321402331 is a deficient number, since it is larger than the sum of its proper divisors (238753261).

1144321402331 is an equidigital number, since it uses as much as digits as its factorization.

1144321402331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238753260.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1144321402331 its reverse (1332041234411), we get a palindrome (2476362636742).

The spelling of 1144321402331 in words is "one trillion, one hundred forty-four billion, three hundred twenty-one million, four hundred two thousand, three hundred thirty-one".