420311200031 has 24 divisors (see below), whose sum is σ = 441343437696. Its totient is φ = 400166632800.

The previous prime is 420311199989. The next prime is 420311200039. The reversal of 420311200031 is 130002113024.

It is not a de Polignac number, because 420311200031 - 2¹⁸ = 420310937887 is a prime.

It is a super-2 number, since 2×420311200031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420311199982 and 420311200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420311200039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13835000 + ... + 13865346.

It is an arithmetic number, because the mean of its divisors is an integer number (18389309904).

Almost surely, 2^420311200031 is an apocalyptic number.

420311200031 is a deficient number, since it is larger than the sum of its proper divisors (21032237665).

420311200031 is a wasteful number, since it uses less digits than its factorization.

420311200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30639 (or 30602 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 420311200031 its reverse (130002113024), we get a palindrome (550313313055).

The spelling of 420311200031 in words is "four hundred twenty billion, three hundred eleven million, two hundred thousand, thirty-one".