431020404011 has 2 divisors, whose sum is σ = 431020404012. Its totient is φ = 431020404010.

The previous prime is 431020403941. The next prime is 431020404029. The reversal of 431020404011 is 110404020134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431020404011 - 2¹⁰ = 431020402987 is a prime.

It is not a weakly prime, because it can be changed into another prime (431020404071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215510202005 + 215510202006.

It is an arithmetic number, because the mean of its divisors is an integer number (215510202006).

Almost surely, 2^431020404011 is an apocalyptic number.

431020404011 is a deficient number, since it is larger than the sum of its proper divisors (1).

431020404011 is an equidigital number, since it uses as much as digits as its factorization.

431020404011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 431020404011 its reverse (110404020134), we get a palindrome (541424424145).

The spelling of 431020404011 in words is "four hundred thirty-one billion, twenty million, four hundred four thousand, eleven".