13042053421231 has 4 divisors (see below), whose sum is σ = 13042613935000. Its totient is φ = 13041492907464.

The previous prime is 13042053421213. The next prime is 13042053421237. The reversal of 13042053421231 is 13212435024031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13042053421231 is a prime.

It is a super-2 number, since 2×13042053421231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13042053421193 and 13042053421202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042053421237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280221981 + ... + 280268518.

It is an arithmetic number, because the mean of its divisors is an integer number (3260653483750).

Almost surely, 2^{13042053421231} is an apocalyptic number.

13042053421231 is a deficient number, since it is larger than the sum of its proper divisors (560513769).

13042053421231 is an equidigital number, since it uses as much as digits as its factorization.

13042053421231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560513768.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 13042053421231 its reverse (13212435024031), we get a palindrome (26254488445262).

The spelling of 13042053421231 in words is "thirteen trillion, forty-two billion, fifty-three million, four hundred twenty-one thousand, two hundred thirty-one".