21010313020131 has 6 divisors (see below), whose sum is σ = 30348229917980. Its totient is φ = 14006875346748.

The previous prime is 21010313020129. The next prime is 21010313020199. The reversal of 21010313020131 is 13102031301012.

21010313020131 is a `hidden beast` number, since 210 + 10 + 313 + 0 + 2 + 0 + 131 = 666.

It is not a de Polignac number, because 21010313020131 - 2¹ = 21010313020129 is a prime.

It is a super-2 number, since 2×21010313020131² (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 (21010313020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1167239612221 + ... + 1167239612238.

Almost surely, 2^{21010313020131} is an apocalyptic number.

21010313020131 is a deficient number, since it is larger than the sum of its proper divisors (9337916897849).

21010313020131 is a wasteful number, since it uses less digits than its factorization.

21010313020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334479224465 (or 2334479224462 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21010313020131 its reverse (13102031301012), we get a palindrome (34112344321143).

The spelling of 21010313020131 in words is "twenty-one trillion, ten billion, three hundred thirteen million, twenty thousand, one hundred thirty-one".