213012303232131 has 64 divisors (see below), whose sum is σ = 359844289136640. Its totient is φ = 123372098542080.

The previous prime is 213012303232109. The next prime is 213012303232133. The reversal of 213012303232131 is 131232303210312.

213012303232131 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 1 + 2 + 303 + 2 + 321 + 31 = 666.

It is not a de Polignac number, because 213012303232131 - 2⁹ = 213012303231619 is a prime.

It is a super-2 number, since 2×213012303232131² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 213012303232095 and 213012303232104.

It is not an unprimeable number, because it can be changed into a prime (213012303232133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 622324246 + ... + 622666436.

It is an arithmetic number, because the mean of its divisors is an integer number (5622567017760).

Almost surely, 2^{213012303232131} is an apocalyptic number.

213012303232131 is a deficient number, since it is larger than the sum of its proper divisors (146831985904509).

213012303232131 is a wasteful number, since it uses less digits than its factorization.

213012303232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446553 (or 446547 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 213012303232131 its reverse (131232303210312), we get a palindrome (344244606442443).

The spelling of 213012303232131 in words is "two hundred thirteen trillion, twelve billion, three hundred three million, two hundred thirty-two thousand, one hundred thirty-one".