1140331013 has 4 divisors (see below), whose sum is σ = 1140432588. Its totient is φ = 1140229440.

The previous prime is 1140330977. The next prime is 1140331019. The reversal of 1140331013 is 3101330411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 331895524 + 808435489 = 18218^2 + 28433^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140331013 - 2¹⁰ = 1140329989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140330982 and 1140331000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140331019) 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, 31508 + ... + 57213.

It is an arithmetic number, because the mean of its divisors is an integer number (285108147).

Almost surely, 2^1140331013 is an apocalyptic number.

It is an amenable number.

1140331013 is a deficient number, since it is larger than the sum of its proper divisors (101575).

1140331013 is an equidigital number, since it uses as much as digits as its factorization.

1140331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101574.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1140331013 is about 33768.7875559665. The cubic root of 1140331013 is about 1044.7450254356.

Adding to 1140331013 its reverse (3101330411), we get a palindrome (4241661424).

The spelling of 1140331013 in words is "one billion, one hundred forty million, three hundred thirty-one thousand, thirteen".