210311414420 has 48 divisors (see below), whose sum is σ = 460899427968. Its totient is φ = 80459448960.

The previous prime is 210311414419. The next prime is 210311414477. The reversal of 210311414420 is 24414113012.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9698390 + ... + 9720050.

It is an arithmetic number, because the mean of its divisors is an integer number (9602071416).

Almost surely, 2^210311414420 is an apocalyptic number.

210311414420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210311414420 is an abundant number, since it is smaller than the sum of its proper divisors (250588013548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210311414420 is a wasteful number, since it uses less digits than its factorization.

210311414420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42800 (or 42798 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 210311414420 its reverse (24414113012), we get a palindrome (234725527432).

The spelling of 210311414420 in words is "two hundred ten billion, three hundred eleven million, four hundred fourteen thousand, four hundred twenty".