13531121230 has 64 divisors (see below), whose sum is σ = 26985830400. Its totient is φ = 4843928320.

The previous prime is 13531121221. The next prime is 13531121249. The reversal of 13531121230 is 3212113531.

13531121230 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2336919 + ... + 2342701.

It is an arithmetic number, because the mean of its divisors is an integer number (421653600).

Almost surely, 2^13531121230 is an apocalyptic number.

13531121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13531121230 is a deficient number, since it is larger than the sum of its proper divisors (13454709170).

13531121230 is a wasteful number, since it uses less digits than its factorization.

13531121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 13531121230 its reverse (3212113531), we get a palindrome (16743234761).

The spelling of 13531121230 in words is "thirteen billion, five hundred thirty-one million, one hundred twenty-one thousand, two hundred thirty".