431411222421 has 16 divisors (see below), whose sum is σ = 661166625600. Its totient is φ = 277689981744.

The previous prime is 431411222383. The next prime is 431411222441. The reversal of 431411222421 is 124222114134.

431411222421 is a `hidden beast` number, since 4 + 3 + 1 + 4 + 11 + 222 + 421 = 666.

It is not a de Polignac number, because 431411222421 - 2⁶ = 431411222357 is a prime.

It is a super-2 number, since 2×431411222421² (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (431411222441) 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, 275485311 + ... + 275486876.

It is an arithmetic number, because the mean of its divisors is an integer number (41322914100).

Almost surely, 2^431411222421 is an apocalyptic number.

It is an amenable number.

431411222421 is a deficient number, since it is larger than the sum of its proper divisors (229755403179).

431411222421 is a wasteful number, since it uses less digits than its factorization.

431411222421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550972225 (or 550972219 counting only the distinct ones).

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

Adding to 431411222421 its reverse (124222114134), we get a palindrome (555633336555).

The spelling of 431411222421 in words is "four hundred thirty-one billion, four hundred eleven million, two hundred twenty-two thousand, four hundred twenty-one".