211133201431 has 8 divisors (see below), whose sum is σ = 212932362240. Its totient is φ = 209336176728.

The previous prime is 211133201401. The next prime is 211133201549. The reversal of 211133201431 is 134102331112.

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 211133201431 - 2⁵ = 211133201399 is a prime.

It is a super-2 number, since 2×211133201431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211133201401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335191 + ... + 731176.

It is an arithmetic number, because the mean of its divisors is an integer number (26616545280).

Almost surely, 2^211133201431 is an apocalyptic number.

211133201431 is a deficient number, since it is larger than the sum of its proper divisors (1799160809).

211133201431 is a wasteful number, since it uses less digits than its factorization.

211133201431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068053.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 211133201431 its reverse (134102331112), we get a palindrome (345235532543).

The spelling of 211133201431 in words is "two hundred eleven billion, one hundred thirty-three million, two hundred one thousand, four hundred thirty-one".