213010101030 has 128 divisors (see below), whose sum is σ = 528817766400. Its totient is φ = 54887099904.

The previous prime is 213010100981. The next prime is 213010101053. The reversal of 213010101030 is 30101010312.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213010100997 and 213010101015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28064476 + ... + 28072064.

It is an arithmetic number, because the mean of its divisors is an integer number (4131388800).

Almost surely, 2^213010101030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213010101030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264408883200).

213010101030 is an abundant number, since it is smaller than the sum of its proper divisors (315807665370).

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

213010101030 is a wasteful number, since it uses less digits than its factorization.

213010101030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918.

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

Adding to 213010101030 its reverse (30101010312), we get a palindrome (243111111342).

The spelling of 213010101030 in words is "two hundred thirteen billion, ten million, one hundred one thousand, thirty".