213100031010 has 32 divisors (see below), whose sum is σ = 513074090880. Its totient is φ = 56645117568.

The previous prime is 213100030967. The next prime is 213100031107. The reversal of 213100031010 is 10130001312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11337790 + ... + 11356569.

It is an arithmetic number, because the mean of its divisors is an integer number (16033565340).

Almost surely, 2^213100031010 is an apocalyptic number.

213100031010 is an abundant number, since it is smaller than the sum of its proper divisors (299974059870).

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

213100031010 is a wasteful number, since it uses less digits than its factorization.

213100031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22694682.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 213100031010 its reverse (10130001312), we get a palindrome (223230032322).

The spelling of 213100031010 in words is "two hundred thirteen billion, one hundred million, thirty-one thousand, ten".