1013431140443 has 4 divisors (see below), whose sum is σ = 1013440602360. Its totient is φ = 1013421678528.

The previous prime is 1013431140437. The next prime is 1013431140473. The reversal of 1013431140443 is 3440411343101.

1013431140443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1013431140443 - 2⁸ = 1013431140187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013431140473) 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, 4568438 + ... + 4785131.

It is an arithmetic number, because the mean of its divisors is an integer number (253360150590).

Almost surely, 2^{1013431140443} is an apocalyptic number.

1013431140443 is a deficient number, since it is larger than the sum of its proper divisors (9461917).

1013431140443 is an equidigital number, since it uses as much as digits as its factorization.

1013431140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461916.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1013431140443 its reverse (3440411343101), we get a palindrome (4453842483544).

The spelling of 1013431140443 in words is "one trillion, thirteen billion, four hundred thirty-one million, one hundred forty thousand, four hundred forty-three".