421343432413131 has 16 divisors (see below), whose sum is σ = 563969132582400. Its totient is φ = 279808379736768.

The previous prime is 421343432413103. The next prime is 421343432413147. The reversal of 421343432413131 is 131314234343124.

It is not a de Polignac number, because 421343432413131 - 2²⁷ = 421343298195403 is a prime.

It is a super-2 number, since 2×421343432413131² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 421343432413131.

It is not an unprimeable number, because it can be changed into a prime (421343432413231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211860906 + ... + 213840431.

It is an arithmetic number, because the mean of its divisors is an integer number (35248070786400).

Almost surely, 2^{421343432413131} is an apocalyptic number.

421343432413131 is a deficient number, since it is larger than the sum of its proper divisors (142625700169269).

421343432413131 is a wasteful number, since it uses less digits than its factorization.

421343432413131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425702618.

The product of its digits is 248832, while the sum is 39.

Adding to 421343432413131 its reverse (131314234343124), we get a palindrome (552657666756255).

The spelling of 421343432413131 in words is "four hundred twenty-one trillion, three hundred forty-three billion, four hundred thirty-two million, four hundred thirteen thousand, one hundred thirty-one".