213131131020010 has 16 divisors (see below), whose sum is σ = 438441183812736. Its totient is φ = 73073530635408.

The previous prime is 213131131019897. The next prime is 213131131020029. The reversal of 213131131020010 is 10020131131312.

It is a self number, because there is not a number n which added to its sum of digits gives 213131131020010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522365221502 + ... + 1522365221641.

It is an arithmetic number, because the mean of its divisors is an integer number (27402573988296).

Almost surely, 2^{213131131020010} is an apocalyptic number.

213131131020010 is an abundant number, since it is smaller than the sum of its proper divisors (225310052792726).

213131131020010 is a wasteful number, since it uses less digits than its factorization.

213131131020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044730443157.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 213131131020010 its reverse (10020131131312), we get a palindrome (223151262151322).

The spelling of 213131131020010 in words is "two hundred thirteen trillion, one hundred thirty-one billion, one hundred thirty-one million, twenty thousand, ten".