1142003321231 has 4 divisors (see below), whose sum is σ = 1142108770464. Its totient is φ = 1141897872000.

The previous prime is 1142003321227. The next prime is 1142003321287. The reversal of 1142003321231 is 1321233002411.

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 1142003321231 - 2² = 1142003321227 is a prime.

It is a super-2 number, since 2×1142003321231² (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 = 1142003321197 and 1142003321206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142003321131) 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, 52708370 + ... + 52730031.

It is an arithmetic number, because the mean of its divisors is an integer number (285527192616).

Almost surely, 2^{1142003321231} is an apocalyptic number.

1142003321231 is a deficient number, since it is larger than the sum of its proper divisors (105449233).

1142003321231 is a wasteful number, since it uses less digits than its factorization.

1142003321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105449232.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1142003321231 its reverse (1321233002411), we get a palindrome (2463236323642).

The spelling of 1142003321231 in words is "one trillion, one hundred forty-two billion, three million, three hundred twenty-one thousand, two hundred thirty-one".