13021303121131 has 4 divisors (see below), whose sum is σ = 13324124123992. Its totient is φ = 12718482118272.

The previous prime is 13021303121111. The next prime is 13021303121147. The reversal of 13021303121131 is 13112130312031.

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

It is a cyclic number.

It is not a de Polignac number, because 13021303121131 - 2⁷ = 13021303121003 is a prime.

It is a super-2 number, since 2×13021303121131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021303121111) 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, 151410501366 + ... + 151410501451.

It is an arithmetic number, because the mean of its divisors is an integer number (3331031030998).

Almost surely, 2^{13021303121131} is an apocalyptic number.

13021303121131 is a deficient number, since it is larger than the sum of its proper divisors (302821002861).

13021303121131 is an equidigital number, since it uses as much as digits as its factorization.

13021303121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302821002860.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13021303121131 its reverse (13112130312031), we get a palindrome (26133433433162).

The spelling of 13021303121131 in words is "thirteen trillion, twenty-one billion, three hundred three million, one hundred twenty-one thousand, one hundred thirty-one".