1141311013 has 4 divisors (see below), whose sum is σ = 1157385888. Its totient is φ = 1125236140.

The previous prime is 1141311007. The next prime is 1141311049. The reversal of 1141311013 is 3101131411.

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 a de Polignac number, because none of the positive numbers 2^k-1141311013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141315013) 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, 8037331 + ... + 8037472.

It is an arithmetic number, because the mean of its divisors is an integer number (289346472).

Almost surely, 2^1141311013 is an apocalyptic number.

It is an amenable number.

1141311013 is a deficient number, since it is larger than the sum of its proper divisors (16074875).

1141311013 is an equidigital number, since it uses as much as digits as its factorization.

1141311013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16074874.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1141311013 is about 33783.2948807543. The cubic root of 1141311013 is about 1045.0442242221.

Adding to 1141311013 its reverse (3101131411), we get a palindrome (4242442424).

The spelling of 1141311013 in words is "one billion, one hundred forty-one million, three hundred eleven thousand, thirteen".