213203440130 has 32 divisors (see below), whose sum is σ = 386644337280. Its totient is φ = 84642037120.

The previous prime is 213203440019. The next prime is 213203440169. The reversal of 213203440130 is 31044302312.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213203440096 and 213203440105.

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, 8633741 + ... + 8658399.

It is an arithmetic number, because the mean of its divisors is an integer number (12082635540).

Almost surely, 2^213203440130 is an apocalyptic number.

213203440130 is a deficient number, since it is larger than the sum of its proper divisors (173440897150).

213203440130 is a wasteful number, since it uses less digits than its factorization.

213203440130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31114.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213203440130 its reverse (31044302312), we get a palindrome (244247742442).

The spelling of 213203440130 in words is "two hundred thirteen billion, two hundred three million, four hundred forty thousand, one hundred thirty".