13131253521332 has 12 divisors (see below), whose sum is σ = 22979870997636. Its totient is φ = 6565576093440.

The previous prime is 13131253521299. The next prime is 13131253521343. The reversal of 13131253521332 is 23312535213131.

It can be written as a sum of positive squares in 2 ways, for example, as 4343906313616 + 8787347207716 = 2084204^2 + 2964346^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13131253521292 and 13131253521301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12080669 + ... + 13122692.

It is an arithmetic number, because the mean of its divisors is an integer number (1914989249803).

Almost surely, 2^{13131253521332} is an apocalyptic number.

It is an amenable number.

13131253521332 is a deficient number, since it is larger than the sum of its proper divisors (9848617476304).

13131253521332 is a wasteful number, since it uses less digits than its factorization.

13131253521332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25333618 (or 25333616 counting only the distinct ones).

The product of its digits is 48600, while the sum is 35.

Adding to 13131253521332 its reverse (23312535213131), we get a palindrome (36443788734463).

The spelling of 13131253521332 in words is "thirteen trillion, one hundred thirty-one billion, two hundred fifty-three million, five hundred twenty-one thousand, three hundred thirty-two".