213000031010 has 16 divisors (see below), whose sum is σ = 412892368056. Its totient is φ = 78646165248.

The previous prime is 213000030989. The next prime is 213000031021. The reversal of 213000031010 is 10130000312.

It can be written as a sum of positive squares in 4 ways, for example, as 183054766801 + 29945264209 = 427849^2 + 173047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213000030982 and 213000031000.

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, 819230759 + ... + 819231018.

Almost surely, 2^213000031010 is an apocalyptic number.

213000031010 is a deficient number, since it is larger than the sum of its proper divisors (199892337046).

213000031010 is a wasteful number, since it uses less digits than its factorization.

213000031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638461797.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 213000031010 its reverse (10130000312), we get a palindrome (223130031322).

The spelling of 213000031010 in words is "two hundred thirteen billion, thirty-one thousand, ten".