13142302354021 has 4 divisors (see below), whose sum is σ = 13142352920544. Its totient is φ = 13142251787500.

The previous prime is 13142302353941. The next prime is 13142302354057. The reversal of 13142302354021 is 12045320324131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13142302354021 - 2⁷ = 13142302353893 is a prime.

It is a super-2 number, since 2×13142302354021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142302354091) 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, 24891385 + ... + 25413886.

It is an arithmetic number, because the mean of its divisors is an integer number (3285588230136).

Almost surely, 2^{13142302354021} is an apocalyptic number.

It is an amenable number.

13142302354021 is a deficient number, since it is larger than the sum of its proper divisors (50566523).

13142302354021 is an equidigital number, since it uses as much as digits as its factorization.

13142302354021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50566522.

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

Adding to 13142302354021 its reverse (12045320324131), we get a palindrome (25187622678152).

The spelling of 13142302354021 in words is "thirteen trillion, one hundred forty-two billion, three hundred two million, three hundred fifty-four thousand, twenty-one".