431000234011 has 4 divisors (see below), whose sum is σ = 439132313952. Its totient is φ = 422868154072.

The previous prime is 431000234003. The next prime is 431000234039. The reversal of 431000234011 is 110432000134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110432000134 = 2 ⋅55216000067.

It is a cyclic number.

It is not a de Polignac number, because 431000234011 - 2³ = 431000234003 is a prime.

It is a super-2 number, since 2×431000234011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431000234011.

It is not an unprimeable number, because it can be changed into a prime (431000234081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4066039891 + ... + 4066039996.

It is an arithmetic number, because the mean of its divisors is an integer number (109783078488).

Almost surely, 2^431000234011 is an apocalyptic number.

431000234011 is a deficient number, since it is larger than the sum of its proper divisors (8132079941).

431000234011 is an equidigital number, since it uses as much as digits as its factorization.

431000234011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132079940.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 431000234011 its reverse (110432000134), we get a palindrome (541432234145).

The spelling of 431000234011 in words is "four hundred thirty-one billion, two hundred thirty-four thousand, eleven".