2013313131223 has 4 divisors (see below), whose sum is σ = 2013315973648. Its totient is φ = 2013310288800.

The previous prime is 2013313131217. The next prime is 2013313131229. The reversal of 2013313131223 is 3221313133102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2013313131217) and next prime (2013313131229).

It is a cyclic number.

It is not a de Polignac number, because 2013313131223 - 2⁹ = 2013313130711 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 (2013313131229) 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, 589390 + ... + 2091412.

It is an arithmetic number, because the mean of its divisors is an integer number (503328993412).

Almost surely, 2^{2013313131223} is an apocalyptic number.

2013313131223 is a deficient number, since it is larger than the sum of its proper divisors (2842425).

2013313131223 is a wasteful number, since it uses less digits than its factorization.

2013313131223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842424.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2013313131223 its reverse (3221313133102), we get a palindrome (5234626264325).

The spelling of 2013313131223 in words is "two trillion, thirteen billion, three hundred thirteen million, one hundred thirty-one thousand, two hundred twenty-three".