1143411100031 has 4 divisors (see below), whose sum is σ = 1143420861864. Its totient is φ = 1143401338200.

The previous prime is 1143411100021. The next prime is 1143411100033. The reversal of 1143411100031 is 1300011143411.

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-1143411100031 is a prime.

It is a super-2 number, since 2×1143411100031² (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 = 1143411099976 and 1143411100012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143411100033) 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, 4703060 + ... + 4940201.

It is an arithmetic number, because the mean of its divisors is an integer number (285855215466).

Almost surely, 2^{1143411100031} is an apocalyptic number.

1143411100031 is a deficient number, since it is larger than the sum of its proper divisors (9761833).

1143411100031 is an equidigital number, since it uses as much as digits as its factorization.

1143411100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9761832.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1143411100031 its reverse (1300011143411), we get a palindrome (2443422243442).

The spelling of 1143411100031 in words is "one trillion, one hundred forty-three billion, four hundred eleven million, one hundred thousand, thirty-one".