13313212011231 has 8 divisors (see below), whose sum is σ = 19364672016384. Its totient is φ = 8068613340120.

The previous prime is 13313212011199. The next prime is 13313212011241. The reversal of 13313212011231 is 13211021231331.

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

It is not a de Polignac number, because 13313212011231 - 2⁵ = 13313212011199 is a prime.

It is a super-2 number, since 2×13313212011231² (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 (13313212011241) 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, 201715333471 + ... + 201715333536.

It is an arithmetic number, because the mean of its divisors is an integer number (2420584002048).

Almost surely, 2^{13313212011231} is an apocalyptic number.

13313212011231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13313212011231 is a deficient number, since it is larger than the sum of its proper divisors (6051460005153).

13313212011231 is a wasteful number, since it uses less digits than its factorization.

13313212011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403430667021.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13313212011231 its reverse (13211021231331), we get a palindrome (26524233242562).

The spelling of 13313212011231 in words is "thirteen trillion, three hundred thirteen billion, two hundred twelve million, eleven thousand, two hundred thirty-one".