213102344505 has 8 divisors (see below), whose sum is σ = 340963751232. Its totient is φ = 113654583728.

The previous prime is 213102344501. The next prime is 213102344531. The reversal of 213102344505 is 505443201312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213102344505 - 2² = 213102344501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213102344501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7103411469 + ... + 7103411498.

It is an arithmetic number, because the mean of its divisors is an integer number (42620468904).

Almost surely, 2^213102344505 is an apocalyptic number.

It is an amenable number.

213102344505 is a deficient number, since it is larger than the sum of its proper divisors (127861406727).

213102344505 is a wasteful number, since it uses less digits than its factorization.

213102344505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14206822975.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 213102344505 its reverse (505443201312), we get a palindrome (718545545817).

The spelling of 213102344505 in words is "two hundred thirteen billion, one hundred two million, three hundred forty-four thousand, five hundred five".