1131331440043 has 16 divisors (see below), whose sum is σ = 1337975271360. Its totient is φ = 935965900800.

The previous prime is 1131331439993. The next prime is 1131331440079. The reversal of 1131331440043 is 3400441331311.

It is not a de Polignac number, because 1131331440043 - 2⁹ = 1131331439531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131331439993 and 1131331440020.

It is not an unprimeable number, because it can be changed into a prime (1131331449043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298998 + ... + 1533643.

It is an arithmetic number, because the mean of its divisors is an integer number (83623454460).

Almost surely, 2^{1131331440043} is an apocalyptic number.

1131331440043 is a deficient number, since it is larger than the sum of its proper divisors (206643831317).

1131331440043 is a wasteful number, since it uses less digits than its factorization.

1131331440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835718.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1131331440043 its reverse (3400441331311), we get a palindrome (4531772771354).

The spelling of 1131331440043 in words is "one trillion, one hundred thirty-one billion, three hundred thirty-one million, four hundred forty thousand, forty-three".