13131240220102 has 4 divisors (see below), whose sum is σ = 19696860330156. Its totient is φ = 6565620110050.

The previous prime is 13131240220009. The next prime is 13131240220123. The reversal of 13131240220102 is 20102204213131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282810055024 + ... + 3282810055027.

It is an arithmetic number, because the mean of its divisors is an integer number (4924215082539).

Almost surely, 2^{13131240220102} is an apocalyptic number.

13131240220102 is a deficient number, since it is larger than the sum of its proper divisors (6565620110054).

13131240220102 is an equidigital number, since it uses as much as digits as its factorization.

13131240220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565620110053.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13131240220102 its reverse (20102204213131), we get a palindrome (33233444433233).

The spelling of 13131240220102 in words is "thirteen trillion, one hundred thirty-one billion, two hundred forty million, two hundred twenty thousand, one hundred two".