13180320831 has 8 divisors (see below), whose sum is σ = 17600350384. Its totient is φ = 8773585920.

The previous prime is 13180320781. The next prime is 13180320833. The reversal of 13180320831 is 13802308131.

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

It is not a de Polignac number, because 13180320831 - 2⁹ = 13180320319 is a prime.

It is a super-2 number, since 2×13180320831² (a number of 21 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 (13180320833) 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, 3321346 + ... + 3325311.

It is an arithmetic number, because the mean of its divisors is an integer number (2200043798).

Almost surely, 2^13180320831 is an apocalyptic number.

13180320831 is a deficient number, since it is larger than the sum of its proper divisors (4420029553).

13180320831 is an equidigital number, since it uses as much as digits as its factorization.

13180320831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647321.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 13180320831 its reverse (13802308131), we get a palindrome (26982628962).

The spelling of 13180320831 in words is "thirteen billion, one hundred eighty million, three hundred twenty thousand, eight hundred thirty-one".