420513311 has 8 divisors (see below), whose sum is σ = 435283200. Its totient is φ = 405761440.

The previous prime is 420513283. The next prime is 420513391. The reversal of 420513311 is 113315024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420513311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420513391) 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, 57785 + ... + 64653.

It is an arithmetic number, because the mean of its divisors is an integer number (54410400).

Almost surely, 2^420513311 is an apocalyptic number.

420513311 is a deficient number, since it is larger than the sum of its proper divisors (14769889).

420513311 is a wasteful number, since it uses less digits than its factorization.

420513311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 420513311 is about 20506.4212138540. The cubic root of 420513311 is about 749.1922034505.

Adding to 420513311 its reverse (113315024), we get a palindrome (533828335).

The spelling of 420513311 in words is "four hundred twenty million, five hundred thirteen thousand, three hundred eleven".