1313005111 has 4 divisors (see below), whose sum is σ = 1432369224. Its totient is φ = 1193641000.

The previous prime is 1313005087. The next prime is 1313005139. The reversal of 1313005111 is 1115003131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313005111 - 2⁵ = 1313005079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313005511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59682040 + ... + 59682061.

It is an arithmetic number, because the mean of its divisors is an integer number (358092306).

Almost surely, 2^1313005111 is an apocalyptic number.

1313005111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1313005111 is a deficient number, since it is larger than the sum of its proper divisors (119364113).

1313005111 is a wasteful number, since it uses less digits than its factorization.

1313005111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119364112.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1313005111 is about 36235.4123889877. The cubic root of 1313005111 is about 1095.0202205005.

Adding to 1313005111 its reverse (1115003131), we get a palindrome (2428008242).

The spelling of 1313005111 in words is "one billion, three hundred thirteen million, five thousand, one hundred eleven".