420331113 has 20 divisors (see below), whose sum is σ = 635859840. Its totient is φ = 276669432.

The previous prime is 420331099. The next prime is 420331159. The reversal of 420331113 is 311133024.

It is not a de Polignac number, because 420331113 - 2⁴ = 420331097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420331193) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26445 + ... + 39242.

It is an arithmetic number, because the mean of its divisors is an integer number (31792992).

Almost surely, 2^420331113 is an apocalyptic number.

It is an amenable number.

420331113 is a deficient number, since it is larger than the sum of its proper divisors (215528727).

420331113 is an equidigital number, since it uses as much as digits as its factorization.

420331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65778 (or 65769 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 420331113 is about 20501.9782704011. The cubic root of 420331113 is about 749.0839856792.

Adding to 420331113 its reverse (311133024), we get a palindrome (731464137).

The spelling of 420331113 in words is "four hundred twenty million, three hundred thirty-one thousand, one hundred thirteen".