213102120031310 has 32 divisors (see below), whose sum is σ = 384818131832832. Its totient is φ = 84966589543680.

The previous prime is 213102120031291. The next prime is 213102120031319. The reversal of 213102120031310 is 13130021201312.

It is a happy number.

It is a super-2 number, since 2×213102120031310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213102120031319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48331955 + ... + 52556465.

It is an arithmetic number, because the mean of its divisors is an integer number (12025566619776).

Almost surely, 2^{213102120031310} is an apocalyptic number.

213102120031310 is a deficient number, since it is larger than the sum of its proper divisors (171716011801522).

213102120031310 is a wasteful number, since it uses less digits than its factorization.

213102120031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240748.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213102120031310 its reverse (13130021201312), we get a palindrome (226232141232622).

The spelling of 213102120031310 in words is "two hundred thirteen trillion, one hundred two billion, one hundred twenty million, thirty-one thousand, three hundred ten".