13112231310 has 48 divisors (see below), whose sum is σ = 35013210336. Its totient is φ = 3402091584.

The previous prime is 13112231309. The next prime is 13112231317. The reversal of 13112231310 is 1313221131.

13112231310 is a `hidden beast` number, since 1 + 311 + 223 + 131 + 0 = 666.

It is a super-2 number, since 2×13112231310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112231317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1965474 + ... + 1972133.

It is an arithmetic number, because the mean of its divisors is an integer number (729441882).

Almost surely, 2^13112231310 is an apocalyptic number.

13112231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13112231310 is an abundant number, since it is smaller than the sum of its proper divisors (21900979026).

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

13112231310 is a wasteful number, since it uses less digits than its factorization.

13112231310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937657 (or 3937654 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13112231310 its reverse (1313221131), we get a palindrome (14425452441).

The spelling of 13112231310 in words is "thirteen billion, one hundred twelve million, two hundred thirty-one thousand, three hundred ten".