1013320143 has 12 divisors (see below), whose sum is σ = 1596747048. Its totient is φ = 614133360.

The previous prime is 1013320111. The next prime is 1013320153. The reversal of 1013320143 is 3410233101.

It is not a de Polignac number, because 1013320143 - 2⁵ = 1013320111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013320153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5117680 + ... + 5117877.

It is an arithmetic number, because the mean of its divisors is an integer number (133062254).

Almost surely, 2^1013320143 is an apocalyptic number.

1013320143 is a deficient number, since it is larger than the sum of its proper divisors (583426905).

1013320143 is a wasteful number, since it uses less digits than its factorization.

1013320143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10235574 (or 10235571 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1013320143 is about 31832.6898486446. The cubic root of 1013320143 is about 1004.4204782458.

Adding to 1013320143 its reverse (3410233101), we get a palindrome (4423553244).

It can be divided in two parts, 10133 and 20143, that added together give a square (30276 = 174²).

The spelling of 1013320143 in words is "one billion, thirteen million, three hundred twenty thousand, one hundred forty-three".