13122313220231 has 8 divisors (see below), whose sum is σ = 13349112898464. Its totient is φ = 12896679607840.

The previous prime is 13122313220221. The next prime is 13122313220243. The reversal of 13122313220231 is 13202231322131.

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

It is a cyclic number.

It is not a de Polignac number, because 13122313220231 - 2⁴² = 8724266709127 is a prime.

It is a super-2 number, since 2×13122313220231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13122313220231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122313220221) 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, 291493760 + ... + 291538773.

It is an arithmetic number, because the mean of its divisors is an integer number (1668639112308).

Almost surely, 2^{13122313220231} is an apocalyptic number.

13122313220231 is a deficient number, since it is larger than the sum of its proper divisors (226799678233).

13122313220231 is an equidigital number, since it uses as much as digits as its factorization.

13122313220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583032921.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 13122313220231 its reverse (13202231322131), we get a palindrome (26324544542362).

The spelling of 13122313220231 in words is "thirteen trillion, one hundred twenty-two billion, three hundred thirteen million, two hundred twenty thousand, two hundred thirty-one".