13131220102 has 64 divisors (see below), whose sum is σ = 26818864128. Its totient is φ = 4655952000.

The previous prime is 13131220049. The next prime is 13131220129. The reversal of 13131220102 is 20102213131.

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, 95952 + ... + 188332.

It is an arithmetic number, because the mean of its divisors is an integer number (419044752).

Almost surely, 2^13131220102 is an apocalyptic number.

13131220102 is an abundant number, since it is smaller than the sum of its proper divisors (13687644026).

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

13131220102 is a wasteful number, since it uses less digits than its factorization.

13131220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92485.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13131220102 its reverse (20102213131), we get a palindrome (33233433233).

The spelling of 13131220102 in words is "thirteen billion, one hundred thirty-one million, two hundred twenty thousand, one hundred two".