1313020022113 has 8 divisors (see below), whose sum is σ = 1390841415432. Its totient is φ = 1235263620096.

The previous prime is 1313020022099. The next prime is 1313020022129. The reversal of 1313020022113 is 3112200203131.

It can be written as a sum of positive squares in 4 ways, for example, as 730327486464 + 582692535649 = 854592^2 + 763343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1313020022113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313020022513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16206220 + ... + 16287037.

It is an arithmetic number, because the mean of its divisors is an integer number (173855176929).

Almost surely, 2^{1313020022113} is an apocalyptic number.

It is an amenable number.

1313020022113 is a deficient number, since it is larger than the sum of its proper divisors (77821393319).

1313020022113 is a wasteful number, since it uses less digits than its factorization.

1313020022113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32495651.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1313020022113 its reverse (3112200203131), we get a palindrome (4425220225244).

The spelling of 1313020022113 in words is "one trillion, three hundred thirteen billion, twenty million, twenty-two thousand, one hundred thirteen".