1013113321013 has 4 divisors (see below), whose sum is σ = 1013180549868. Its totient is φ = 1013046092160.

The previous prime is 1013113321009. The next prime is 1013113321021. The reversal of 1013113321013 is 3101233113101.

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 733820096689 + 279293224324 = 856633^2 + 528482^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013113321013 - 2² = 1013113321009 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 (1013113321313) 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, 33591818 + ... + 33621963.

It is an arithmetic number, because the mean of its divisors is an integer number (253295137467).

Almost surely, 2^{1013113321013} is an apocalyptic number.

It is an amenable number.

1013113321013 is a deficient number, since it is larger than the sum of its proper divisors (67228855).

1013113321013 is an equidigital number, since it uses as much as digits as its factorization.

1013113321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67228854.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1013113321013 its reverse (3101233113101), we get a palindrome (4114346434114).

The spelling of 1013113321013 in words is "one trillion, thirteen billion, one hundred thirteen million, three hundred twenty-one thousand, thirteen".