1140313313 has 4 divisors (see below), whose sum is σ = 1141882560. Its totient is φ = 1138744068.

The previous prime is 1140313289. The next prime is 1140313319. The reversal of 1140313313 is 3133130411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1140313313 - 2¹⁴ = 1140296929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140313319) 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, 783533 + ... + 784986.

It is an arithmetic number, because the mean of its divisors is an integer number (285470640).

Almost surely, 2^1140313313 is an apocalyptic number.

It is an amenable number.

1140313313 is a deficient number, since it is larger than the sum of its proper divisors (1569247).

1140313313 is an equidigital number, since it uses as much as digits as its factorization.

1140313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569246.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1140313313 is about 33768.5254786169. The cubic root of 1140313313 is about 1044.7396199634.

Adding to 1140313313 its reverse (3133130411), we get a palindrome (4273443724).

The spelling of 1140313313 in words is "one billion, one hundred forty million, three hundred thirteen thousand, three hundred thirteen".