213031331021130 has 64 divisors (see below), whose sum is σ = 512381166213888. Its totient is φ = 56685494753280.

The previous prime is 213031331021129. The next prime is 213031331021153. The reversal of 213031331021130 is 31120133130312.

It is a self number, because there is not a number n which added to its sum of digits gives 213031331021130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133340314 + ... + 134928506.

It is an arithmetic number, because the mean of its divisors is an integer number (8005955722092).

Almost surely, 2^{213031331021130} is an apocalyptic number.

213031331021130 is an abundant number, since it is smaller than the sum of its proper divisors (299349835192758).

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

213031331021130 is a wasteful number, since it uses less digits than its factorization.

213031331021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597871.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 213031331021130 its reverse (31120133130312), we get a palindrome (244151464151442).

The spelling of 213031331021130 in words is "two hundred thirteen trillion, thirty-one billion, three hundred thirty-one million, twenty-one thousand, one hundred thirty".