420411011431 has 2 divisors, whose sum is σ = 420411011432. Its totient is φ = 420411011430.

The previous prime is 420411011429. The next prime is 420411011437. The reversal of 420411011431 is 134110114024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420411011431 - 2¹ = 420411011429 is a prime.

It is a super-2 number, since 2×420411011431² (a number of 24 digits) contains 22 as substring.

Together with 420411011429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420411011437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210205505715 + 210205505716.

It is an arithmetic number, because the mean of its divisors is an integer number (210205505716).

Almost surely, 2^420411011431 is an apocalyptic number.

420411011431 is a deficient number, since it is larger than the sum of its proper divisors (1).

420411011431 is an equidigital number, since it uses as much as digits as its factorization.

420411011431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 420411011431 its reverse (134110114024), we get a palindrome (554521125455).

The spelling of 420411011431 in words is "four hundred twenty billion, four hundred eleven million, eleven thousand, four hundred thirty-one".