131413341210021 has 12 divisors (see below), whose sum is σ = 204420752993548. Its totient is φ = 80869748436864.

The previous prime is 131413341210013. The next prime is 131413341210029. The reversal of 131413341210021 is 120012143314131.

131413341210021 is a `hidden beast` number, since 1 + 3 + 1 + 413 + 34 + 1 + 210 + 0 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (131413341210013) and next prime (131413341210029).

It can be written as a sum of positive squares in 2 ways, for example, as 14353383879396 + 117059957330625 = 3788586^2 + 10819425^2 .

It is not a de Polignac number, because 131413341210021 - 2³ = 131413341210013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131413341210029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561595475140 + ... + 561595475373.

Almost surely, 2^{131413341210021} is an apocalyptic number.

It is an amenable number.

131413341210021 is a deficient number, since it is larger than the sum of its proper divisors (73007411783527).

131413341210021 is a wasteful number, since it uses less digits than its factorization.

131413341210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123190950532 (or 1123190950529 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131413341210021 its reverse (120012143314131), we get a palindrome (251425484524152).

The spelling of 131413341210021 in words is "one hundred thirty-one trillion, four hundred thirteen billion, three hundred forty-one million, two hundred ten thousand, twenty-one".