420146311 has 8 divisors (see below), whose sum is σ = 463501584. Its totient is φ = 378367680.

The previous prime is 420146303. The next prime is 420146327. The reversal of 420146311 is 113641024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420146311 - 2³ = 420146303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420147311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393601 + ... + 394666.

It is an arithmetic number, because the mean of its divisors is an integer number (57937698).

Almost surely, 2^420146311 is an apocalyptic number.

420146311 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

420146311 is a deficient number, since it is larger than the sum of its proper divisors (43355273).

420146311 is a wasteful number, since it uses less digits than its factorization.

420146311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788321.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 420146311 is about 20497.4708439846. The cubic root of 420146311 is about 748.9741892932.

Adding to 420146311 its reverse (113641024), we get a palindrome (533787335).

The spelling of 420146311 in words is "four hundred twenty million, one hundred forty-six thousand, three hundred eleven".