131403021421313 has 16 divisors (see below), whose sum is σ = 136354066882560. Its totient is φ = 126496511097600.

The previous prime is 131403021421267. The next prime is 131403021421327. The reversal of 131403021421313 is 313124120304131.

It is a cyclic number.

It is not a de Polignac number, because 131403021421313 - 2¹⁶ = 131403021355777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131403021421013) 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, 530735333 + ... + 530982861.

It is an arithmetic number, because the mean of its divisors is an integer number (8522129180160).

Almost surely, 2^{131403021421313} is an apocalyptic number.

It is an amenable number.

131403021421313 is a deficient number, since it is larger than the sum of its proper divisors (4951045461247).

131403021421313 is a wasteful number, since it uses less digits than its factorization.

131403021421313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337408.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 131403021421313 its reverse (313124120304131), we get a palindrome (444527141725444).

The spelling of 131403021421313 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-one million, four hundred twenty-one thousand, three hundred thirteen".