421034113431 has 16 divisors (see below), whose sum is σ = 640612466400. Its totient is φ = 273103208064.

The previous prime is 421034113399. The next prime is 421034113447. The reversal of 421034113431 is 134311430124.

421034113431 is a `hidden beast` number, since 4 + 210 + 3 + 4 + 1 + 13 + 431 = 666.

It is not a de Polignac number, because 421034113431 - 2⁵ = 421034113399 is a prime.

It is a super-2 number, since 2×421034113431² (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 = 421034113395 and 421034113404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421034113471) 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, 210726786 + ... + 210728783.

It is an arithmetic number, because the mean of its divisors is an integer number (40038279150).

Almost surely, 2^421034113431 is an apocalyptic number.

421034113431 is a deficient number, since it is larger than the sum of its proper divisors (219578352969).

421034113431 is a wasteful number, since it uses less digits than its factorization.

421034113431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421455615 (or 421455609 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 421034113431 its reverse (134311430124), we get a palindrome (555345543555).

The spelling of 421034113431 in words is "four hundred twenty-one billion, thirty-four million, one hundred thirteen thousand, four hundred thirty-one".