213111030310 has 24 divisors (see below), whose sum is σ = 401003260560. Its totient is φ = 81538131312.

The previous prime is 213111030263. The next prime is 213111030311. The reversal of 213111030310 is 13030111312.

It is a super-2 number, since 2×213111030310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213111030311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20137530 + ... + 20148109.

It is an arithmetic number, because the mean of its divisors is an integer number (16708469190).

Almost surely, 2^213111030310 is an apocalyptic number.

213111030310 is a deficient number, since it is larger than the sum of its proper divisors (187892230250).

213111030310 is a wasteful number, since it uses less digits than its factorization.

213111030310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40285692 (or 40285669 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 213111030310 its reverse (13030111312), we get a palindrome (226141141622).

The spelling of 213111030310 in words is "two hundred thirteen billion, one hundred eleven million, thirty thousand, three hundred ten".