1313035055 has 4 divisors (see below), whose sum is σ = 1575642072. Its totient is φ = 1050428040.

The previous prime is 1313035051. The next prime is 1313035079. The reversal of 1313035055 is 5505303131.

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

It is not a de Polignac number, because 1313035055 - 2² = 1313035051 is a prime.

It is a super-2 number, since 2×1313035055² = 3448122111317706050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313035051) 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, 131303501 + ... + 131303510.

It is an arithmetic number, because the mean of its divisors is an integer number (393910518).

Almost surely, 2^1313035055 is an apocalyptic number.

1313035055 is a deficient number, since it is larger than the sum of its proper divisors (262607017).

1313035055 is an equidigital number, since it uses as much as digits as its factorization.

1313035055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262607016.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 1313035055 is about 36235.8255735950. The cubic root of 1313035055 is about 1095.0285446713.

Adding to 1313035055 its reverse (5505303131), we get a palindrome (6818338186).

The spelling of 1313035055 in words is "one billion, three hundred thirteen million, thirty-five thousand, fifty-five".