240213203113 has 4 divisors (see below), whose sum is σ = 258691141828. Its totient is φ = 221735264400.

The previous prime is 240213203033. The next prime is 240213203119. The reversal of 240213203113 is 311302312042.

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 82066206784 + 158146996329 = 286472^2 + 397677^2 .

It is not a de Polignac number, because 240213203113 - 2²⁹ = 239676332201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240213203119) 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, 9238969338 + ... + 9238969363.

It is an arithmetic number, because the mean of its divisors is an integer number (64672785457).

Almost surely, 2^240213203113 is an apocalyptic number.

It is an amenable number.

240213203113 is a deficient number, since it is larger than the sum of its proper divisors (18477938715).

240213203113 is a wasteful number, since it uses less digits than its factorization.

240213203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477938714.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 240213203113 its reverse (311302312042), we get a palindrome (551515515155).

The spelling of 240213203113 in words is "two hundred forty billion, two hundred thirteen million, two hundred three thousand, one hundred thirteen".