211433040313 has 4 divisors (see below), whose sum is σ = 230654225808. Its totient is φ = 192211854820.

The previous prime is 211433040277. The next prime is 211433040317. The reversal of 211433040313 is 313040334112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211433040313 - 2³⁷ = 73994086841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211433040317) 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, 9610592731 + ... + 9610592752.

It is an arithmetic number, because the mean of its divisors is an integer number (57663556452).

Almost surely, 2^211433040313 is an apocalyptic number.

It is an amenable number.

211433040313 is a deficient number, since it is larger than the sum of its proper divisors (19221185495).

211433040313 is a wasteful number, since it uses less digits than its factorization.

211433040313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19221185494.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 211433040313 its reverse (313040334112), we get a palindrome (524473374425).

The spelling of 211433040313 in words is "two hundred eleven billion, four hundred thirty-three million, forty thousand, three hundred thirteen".