236105003213 has 4 divisors (see below), whose sum is σ = 237689600700. Its totient is φ = 234520405728.

The previous prime is 236105003207. The next prime is 236105003227. The reversal of 236105003213 is 312300501632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103418198569 + 132686804644 = 321587^2 + 364262^2 .

It is a cyclic number.

It is not a de Polignac number, because 236105003213 - 2¹⁸ = 236104741069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236105009213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792298520 + ... + 792298817.

It is an arithmetic number, because the mean of its divisors is an integer number (59422400175).

Almost surely, 2^236105003213 is an apocalyptic number.

It is an amenable number.

236105003213 is a deficient number, since it is larger than the sum of its proper divisors (1584597487).

236105003213 is a wasteful number, since it uses less digits than its factorization.

236105003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584597486.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 236105003213 its reverse (312300501632), we get a palindrome (548405504845).

The spelling of 236105003213 in words is "two hundred thirty-six billion, one hundred five million, three thousand, two hundred thirteen".