420131211 has 16 divisors (see below), whose sum is σ = 597968640. Its totient is φ = 261606240.

The previous prime is 420131177. The next prime is 420131213. The reversal of 420131211 is 112131024.

It is not a de Polignac number, because 420131211 - 2⁷ = 420131083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420131213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47860 + ... + 55953.

It is an arithmetic number, because the mean of its divisors is an integer number (37373040).

Almost surely, 2^420131211 is an apocalyptic number.

420131211 is a deficient number, since it is larger than the sum of its proper divisors (177837429).

420131211 is a wasteful number, since it uses less digits than its factorization.

420131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103906.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 420131211 is about 20497.1025025490. The cubic root of 420131211 is about 748.9652165097.

Adding to 420131211 its reverse (112131024), we get a palindrome (532262235).

The spelling of 420131211 in words is "four hundred twenty million, one hundred thirty-one thousand, two hundred eleven".