213023312310 has 32 divisors (see below), whose sum is σ = 511669341792. Its totient is φ = 56760284160.

The previous prime is 213023312297. The next prime is 213023312351. The reversal of 213023312310 is 13213320312.

It is a super-2 number, since 2×213023312310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 2833051 + ... + 2907270.

It is an arithmetic number, because the mean of its divisors is an integer number (15989666931).

Almost surely, 2^213023312310 is an apocalyptic number.

213023312310 is an abundant number, since it is smaller than the sum of its proper divisors (298646029482).

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

213023312310 is a wasteful number, since it uses less digits than its factorization.

213023312310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741568.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213023312310 its reverse (13213320312), we get a palindrome (226236632622).

The spelling of 213023312310 in words is "two hundred thirteen billion, twenty-three million, three hundred twelve thousand, three hundred ten".