13011220323031 has 8 divisors (see below), whose sum is σ = 14870003703680. Its totient is φ = 11152446347448.

The previous prime is 13011220323019. The next prime is 13011220323041. The reversal of 13011220323031 is 13032302211031.

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

It is not a de Polignac number, because 13011220323031 - 2⁵ = 13011220322999 is a prime.

It is a super-3 number, since 3×13011220323031³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13011220322993 and 13011220323011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011220323041) 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, 915880 + ... + 5182786.

It is an arithmetic number, because the mean of its divisors is an integer number (1858750462960).

Almost surely, 2^{13011220323031} is an apocalyptic number.

13011220323031 is a deficient number, since it is larger than the sum of its proper divisors (1858783380649).

13011220323031 is an equidigital number, since it uses as much as digits as its factorization.

13011220323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702533.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13011220323031 its reverse (13032302211031), we get a palindrome (26043522534062).

The spelling of 13011220323031 in words is "thirteen trillion, eleven billion, two hundred twenty million, three hundred twenty-three thousand, thirty-one".