213131133333210 has 16 divisors (see below), whose sum is σ = 511514719999776. Its totient is φ = 56834968888848.

The previous prime is 213131133333163. The next prime is 213131133333259. The reversal of 213131133333210 is 12333331131312.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7104371111107 = 213131133333210 / (2 + 1 + 3 + 1 + 3 + 1 + 1 + 3 + 3 + 3 + 3 + 3 + 2 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3552185555524 + ... + 3552185555583.

It is an arithmetic number, because the mean of its divisors is an integer number (31969669999986).

Almost surely, 2^{213131133333210} is an apocalyptic number.

213131133333210 is an abundant number, since it is smaller than the sum of its proper divisors (298383586666566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213131133333210 is a wasteful number, since it uses less digits than its factorization.

213131133333210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104371111117.

The product of its (nonzero) digits is 8748, while the sum is 30.

Adding to 213131133333210 its reverse (12333331131312), we get a palindrome (225464464464522).

The spelling of 213131133333210 in words is "two hundred thirteen trillion, one hundred thirty-one billion, one hundred thirty-three million, three hundred thirty-three thousand, two hundred ten".