431422142121 has 6 divisors (see below), whose sum is σ = 623165316410. Its totient is φ = 287614761408.

The previous prime is 431422142077. The next prime is 431422142131. The reversal of 431422142121 is 121241224134.

431422142121 is a `hidden beast` number, since 4 + 3 + 14 + 221 + 421 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 344376490896 + 87045651225 = 586836^2 + 295035^2 .

It is not a de Polignac number, because 431422142121 - 2¹³ = 431422133929 is a prime.

It is a super-2 number, since 2×431422142121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (431422142131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23967896776 + ... + 23967896793.

Almost surely, 2^431422142121 is an apocalyptic number.

It is an amenable number.

431422142121 is a deficient number, since it is larger than the sum of its proper divisors (191743174289).

431422142121 is a wasteful number, since it uses less digits than its factorization.

431422142121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47935793575 (or 47935793572 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 431422142121 its reverse (121241224134), we get a palindrome (552663366255).

The spelling of 431422142121 in words is "four hundred thirty-one billion, four hundred twenty-two million, one hundred forty-two thousand, one hundred twenty-one".