431667122011 has 2 divisors, whose sum is σ = 431667122012. Its totient is φ = 431667122010.

The previous prime is 431667121993. The next prime is 431667122021. The reversal of 431667122011 is 110221766134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431667122011 - 2¹⁷ = 431666990939 is a prime.

It is not a weakly prime, because it can be changed into another prime (431667122021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215833561005 + 215833561006.

It is an arithmetic number, because the mean of its divisors is an integer number (215833561006).

Almost surely, 2^431667122011 is an apocalyptic number.

431667122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

431667122011 is an equidigital number, since it uses as much as digits as its factorization.

431667122011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 431667122011 its reverse (110221766134), we get a palindrome (541888888145).

The spelling of 431667122011 in words is "four hundred thirty-one billion, six hundred sixty-seven million, one hundred twenty-two thousand, eleven".