12311113313213 has 64 divisors (see below), whose sum is σ = 15450556391424. Its totient is φ = 9653263776000.

The previous prime is 12311113313201. The next prime is 12311113313227. The reversal of 12311113313213 is 31231331111321.

It is not a de Polignac number, because 12311113313213 - 2⁴ = 12311113313197 is a prime.

It is a super-2 number, since 2×12311113313213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311113313243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21200270 + ... + 21773232.

It is an arithmetic number, because the mean of its divisors is an integer number (241414943616).

Almost surely, 2^{12311113313213} is an apocalyptic number.

12311113313213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12311113313213 is a deficient number, since it is larger than the sum of its proper divisors (3139443078211).

12311113313213 is a wasteful number, since it uses less digits than its factorization.

12311113313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573186.

The product of its digits is 972, while the sum is 26.

Adding to 12311113313213 its reverse (31231331111321), we get a palindrome (43542444424534).

The spelling of 12311113313213 in words is "twelve trillion, three hundred eleven billion, one hundred thirteen million, three hundred thirteen thousand, two hundred thirteen".