1143243110131 has 8 divisors (see below), whose sum is σ = 1153360592384. Its totient is φ = 1133143058880.

The previous prime is 1143243110083. The next prime is 1143243110159. The reversal of 1143243110131 is 1310113423411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143243110131 is a prime.

It is a super-2 number, since 2×1143243110131² (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 = 1143243110096 and 1143243110105.

It is not an unprimeable number, because it can be changed into a prime (1143243110161) 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, 4225980 + ... + 4488361.

It is an arithmetic number, because the mean of its divisors is an integer number (144170074048).

Almost surely, 2^{1143243110131} is an apocalyptic number.

1143243110131 is a deficient number, since it is larger than the sum of its proper divisors (10117482253).

1143243110131 is a wasteful number, since it uses less digits than its factorization.

1143243110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8715501.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1143243110131 its reverse (1310113423411), we get a palindrome (2453356533542).

The spelling of 1143243110131 in words is "one trillion, one hundred forty-three billion, two hundred forty-three million, one hundred ten thousand, one hundred thirty-one".