1013043143 has 4 divisors (see below), whose sum is σ = 1157763600. Its totient is φ = 868322688.

The previous prime is 1013043139. The next prime is 1013043169. The reversal of 1013043143 is 3413403101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3413403101 = 1367 ⋅2497003.

It is a cyclic number.

It is not a de Polignac number, because 1013043143 - 2² = 1013043139 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013043133) 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, 72360218 + ... + 72360231.

It is an arithmetic number, because the mean of its divisors is an integer number (289440900).

Almost surely, 2^1013043143 is an apocalyptic number.

1013043143 is a deficient number, since it is larger than the sum of its proper divisors (144720457).

1013043143 is an equidigital number, since it uses as much as digits as its factorization.

1013043143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144720456.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1013043143 is about 31828.3386779769. The cubic root of 1013043143 is about 1004.3289475056.

Adding to 1013043143 its reverse (3413403101), we get a palindrome (4426446244).

The spelling of 1013043143 in words is "one billion, thirteen million, forty-three thousand, one hundred forty-three".