421000311 has 8 divisors (see below), whose sum is σ = 561575664. Its totient is φ = 280545920.

The previous prime is 421000297. The next prime is 421000313. The reversal of 421000311 is 113000124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 421000311 - 2⁶ = 421000247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421000313) 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, 21780 + ... + 36281.

It is an arithmetic number, because the mean of its divisors is an integer number (70196958).

Almost surely, 2^421000311 is an apocalyptic number.

421000311 is a deficient number, since it is larger than the sum of its proper divisors (140575353).

421000311 is a wasteful number, since it uses less digits than its factorization.

421000311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60481.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 421000311 is about 20518.2921072881. The cubic root of 421000311 is about 749.4813071374.

Adding to 421000311 its reverse (113000124), we get a palindrome (534000435).

The spelling of 421000311 in words is "four hundred twenty-one million, three hundred eleven", and thus it is an aban number.