421420423132131 has 8 divisors (see below), whose sum is σ = 561895871362320. Its totient is φ = 280945961828352.

The previous prime is 421420423132103. The next prime is 421420423132133. The reversal of 421420423132131 is 131231324024124.

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

It is not a de Polignac number, because 421420423132131 - 2⁶ = 421420423132067 is a prime.

It is a super-2 number, since 2×421420423132131² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421420423132092 and 421420423132101.

It is not an unprimeable number, because it can be changed into a prime (421420423132133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245734686 + ... + 247443683.

It is an arithmetic number, because the mean of its divisors is an integer number (70236983920290).

Almost surely, 2^{421420423132131} is an apocalyptic number.

421420423132131 is a deficient number, since it is larger than the sum of its proper divisors (140475448230189).

421420423132131 is a wasteful number, since it uses less digits than its factorization.

421420423132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493463205.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 421420423132131 its reverse (131231324024124), we get a palindrome (552651747156255).

The spelling of 421420423132131 in words is "four hundred twenty-one trillion, four hundred twenty billion, four hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty-one".