13100145318 has 24 divisors (see below), whose sum is σ = 30567006288. Its totient is φ = 4030813872.

The previous prime is 13100145313. The next prime is 13100145343. The reversal of 13100145318 is 81354100131.

13100145318 is a `hidden beast` number, since 13 + 100 + 14 + 531 + 8 = 666.

It is a super-2 number, since 2×13100145318² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13100145291 and 13100145300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100145313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27991530 + ... + 27991997.

It is an arithmetic number, because the mean of its divisors is an integer number (1273625262).

Almost surely, 2^13100145318 is an apocalyptic number.

13100145318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13100145318 is an abundant number, since it is smaller than the sum of its proper divisors (17466860970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13100145318 is a wasteful number, since it uses less digits than its factorization.

13100145318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55983548 (or 55983545 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 13100145318 its reverse (81354100131), we get a palindrome (94454245449).

The spelling of 13100145318 in words is "thirteen billion, one hundred million, one hundred forty-five thousand, three hundred eighteen".