1144311352331 has 8 divisors (see below), whose sum is σ = 1308090637824. Its totient is φ = 980608625640.

The previous prime is 1144311352309. The next prime is 1144311352351. The reversal of 1144311352331 is 1332531134411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144311352331 - 2⁶ = 1144311352267 is a prime.

It is a super-2 number, since 2×1144311352331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144311352351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19107665 + ... + 19167458.

It is an arithmetic number, because the mean of its divisors is an integer number (163511329728).

Almost surely, 2^{1144311352331} is an apocalyptic number.

1144311352331 is a deficient number, since it is larger than the sum of its proper divisors (163779285493).

1144311352331 is an equidigital number, since it uses as much as digits as its factorization.

1144311352331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38279401.

The product of its digits is 12960, while the sum is 32.

Adding to 1144311352331 its reverse (1332531134411), we get a palindrome (2476842486742).

The spelling of 1144311352331 in words is "one trillion, one hundred forty-four billion, three hundred eleven million, three hundred fifty-two thousand, three hundred thirty-one".