234131420421 has 12 divisors (see below), whose sum is σ = 342264406848. Its totient is φ = 154207039464.

The previous prime is 234131420417. The next prime is 234131420437. The reversal of 234131420421 is 124024131432.

234131420421 is a `hidden beast` number, since 2 + 341 + 314 + 2 + 0 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 234131420421 - 2² = 234131420417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234131420921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156713725 + ... + 156715218.

It is an arithmetic number, because the mean of its divisors is an integer number (28522033904).

Almost surely, 2^234131420421 is an apocalyptic number.

It is an amenable number.

234131420421 is a deficient number, since it is larger than the sum of its proper divisors (108132986427).

234131420421 is a wasteful number, since it uses less digits than its factorization.

234131420421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313429032 (or 313429029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 234131420421 its reverse (124024131432), we get a palindrome (358155551853).

The spelling of 234131420421 in words is "two hundred thirty-four billion, one hundred thirty-one million, four hundred twenty thousand, four hundred twenty-one".