431344013211 has 40 divisors (see below), whose sum is σ = 674254803024. Its totient is φ = 274511540160.

The previous prime is 431344013201. The next prime is 431344013237. The reversal of 431344013211 is 112310443134.

431344013211 is a `hidden beast` number, since 4 + 3 + 1 + 3 + 440 + 1 + 3 + 211 = 666.

It is not a de Polignac number, because 431344013211 - 2⁵ = 431344013179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (431344013201) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1198945 + ... + 1516626.

Almost surely, 2^431344013211 is an apocalyptic number.

431344013211 is a deficient number, since it is larger than the sum of its proper divisors (242910789813).

431344013211 is a wasteful number, since it uses less digits than its factorization.

431344013211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715673 (or 2715664 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 431344013211 its reverse (112310443134), we get a palindrome (543654456345).

The spelling of 431344013211 in words is "four hundred thirty-one billion, three hundred forty-four million, thirteen thousand, two hundred eleven".