13223131213031 has 8 divisors (see below), whose sum is σ = 13227681498624. Its totient is φ = 13218581267640.

The previous prime is 13223131213009. The next prime is 13223131213063. The reversal of 13223131213031 is 13031213132231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13223131213031 is a prime.

It is a super-2 number, since 2×13223131213031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223131213931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95910176 + ... + 96047946.

It is an arithmetic number, because the mean of its divisors is an integer number (1653460187328).

Almost surely, 2^{13223131213031} is an apocalyptic number.

13223131213031 is a deficient number, since it is larger than the sum of its proper divisors (4550285593).

13223131213031 is a wasteful number, since it uses less digits than its factorization.

13223131213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170101.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13223131213031 its reverse (13031213132231), we get a palindrome (26254344345262).

The spelling of 13223131213031 in words is "thirteen trillion, two hundred twenty-three billion, one hundred thirty-one million, two hundred thirteen thousand, thirty-one".