20130312223313 has 32 divisors (see below), whose sum is σ = 21710070531072. Its totient is φ = 18618320952000.

The previous prime is 20130312223243. The next prime is 20130312223327. The reversal of 20130312223313 is 31332221303102.

It is a cyclic number.

It is not a de Polignac number, because 20130312223313 - 2¹² = 20130312219217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130312223913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031943506 + ... + 1031963012.

It is an arithmetic number, because the mean of its divisors is an integer number (678439704096).

Almost surely, 2^{20130312223313} is an apocalyptic number.

20130312223313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20130312223313 is a deficient number, since it is larger than the sum of its proper divisors (1579758307759).

20130312223313 is a wasteful number, since it uses less digits than its factorization.

20130312223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30005.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20130312223313 its reverse (31332221303102), we get a palindrome (51462533526415).

The spelling of 20130312223313 in words is "twenty trillion, one hundred thirty billion, three hundred twelve million, two hundred twenty-three thousand, three hundred thirteen".