1143421044131 has 4 divisors (see below), whose sum is σ = 1174324315632. Its totient is φ = 1112517772632.

The previous prime is 1143421044119. The next prime is 1143421044167. The reversal of 1143421044131 is 1314401243411.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143421044131 is a prime.

It is a super-2 number, since 2×1143421044131² (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 = 1143421044094 and 1143421044103.

It is not an unprimeable number, because it can be changed into a prime (1143421044331) 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 3 ways as a sum of consecutive naturals, for example, 15451635695 + ... + 15451635768.

It is an arithmetic number, because the mean of its divisors is an integer number (293581078908).

Almost surely, 2^{1143421044131} is an apocalyptic number.

1143421044131 is a deficient number, since it is larger than the sum of its proper divisors (30903271501).

1143421044131 is an equidigital number, since it uses as much as digits as its factorization.

1143421044131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30903271500.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 1143421044131 its reverse (1314401243411), we get a palindrome (2457822287542).

The spelling of 1143421044131 in words is "one trillion, one hundred forty-three billion, four hundred twenty-one million, forty-four thousand, one hundred thirty-one".