420134222331 has 24 divisors (see below), whose sum is σ = 629393628864. Its totient is φ = 280064216520.

The previous prime is 420134222317. The next prime is 420134222353. The reversal of 420134222331 is 133222431024.

420134222331 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 3 + 422 + 233 + 1 = 666.

It is not a de Polignac number, because 420134222331 - 2⁶ = 420134222267 is a prime.

It is a super-2 number, since 2×420134222331² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 420134222295 and 420134222304.

It is not an unprimeable number, because it can be changed into a prime (420134202331) 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, 2846700 + ... + 2990646.

It is an arithmetic number, because the mean of its divisors is an integer number (26224734536).

Almost surely, 2^420134222331 is an apocalyptic number.

420134222331 is a deficient number, since it is larger than the sum of its proper divisors (209259406533).

420134222331 is a wasteful number, since it uses less digits than its factorization.

420134222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155973 (or 155961 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 420134222331 its reverse (133222431024), we get a palindrome (553356653355).

The spelling of 420134222331 in words is "four hundred twenty billion, one hundred thirty-four million, two hundred twenty-two thousand, three hundred thirty-one".