13103021232 has 240 divisors, whose sum is σ = 43040245248. Its totient is φ = 3643315200.

The previous prime is 13103021153. The next prime is 13103021329. The reversal of 13103021232 is 23212030131.

13103021232 is a `hidden beast` number, since 131 + 0 + 302 + 1 + 232 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21801732 + ... + 21802332.

Almost surely, 2^13103021232 is an apocalyptic number.

13103021232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13103021232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21520122624).

13103021232 is an abundant number, since it is smaller than the sum of its proper divisors (29937224016).

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

13103021232 is a wasteful number, since it uses less digits than its factorization.

13103021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13103021232 its reverse (23212030131), we get a palindrome (36315051363).

The spelling of 13103021232 in words is "thirteen billion, one hundred three million, twenty-one thousand, two hundred thirty-two".