13130204231421 has 16 divisors (see below), whose sum is σ = 19977888321600. Its totient is φ = 8516889230544.

The previous prime is 13130204231383. The next prime is 13130204231423. The reversal of 13130204231421 is 12413240203131.

13130204231421 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 0 + 2 + 0 + 4 + 231 + 421 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-13130204231421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130204231423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6571672791 + ... + 6571674788.

It is an arithmetic number, because the mean of its divisors is an integer number (1248618020100).

Almost surely, 2^{13130204231421} is an apocalyptic number.

It is an amenable number.

13130204231421 is a deficient number, since it is larger than the sum of its proper divisors (6847684090179).

13130204231421 is a wasteful number, since it uses less digits than its factorization.

13130204231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143347625 (or 13143347619 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13130204231421 its reverse (12413240203131), we get a palindrome (25543444434552).

The spelling of 13130204231421 in words is "thirteen trillion, one hundred thirty billion, two hundred four million, two hundred thirty-one thousand, four hundred twenty-one".