1313000262613 has 4 divisors (see below), whose sum is σ = 1414000282828. Its totient is φ = 1212000242400.

The previous prime is 1313000262599. The next prime is 1313000262619. The reversal of 1313000262613 is 3162620003131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 115938888004 + 1197061374609 = 340498^2 + 1094103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313000262613 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 (1313000262619) 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, 50500010088 + ... + 50500010113.

It is an arithmetic number, because the mean of its divisors is an integer number (353500070707).

Almost surely, 2^{1313000262613} is an apocalyptic number.

1313000262613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1313000262613 is a deficient number, since it is larger than the sum of its proper divisors (101000020215).

1313000262613 is a wasteful number, since it uses less digits than its factorization.

1313000262613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101000020214.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 1313000262613 its reverse (3162620003131), we get a palindrome (4475620265744).

The spelling of 1313000262613 in words is "one trillion, three hundred thirteen billion, two hundred sixty-two thousand, six hundred thirteen".