421431050331 has 6 divisors (see below), whose sum is σ = 608733739380. Its totient is φ = 280954033548.

The previous prime is 421431050317. The next prime is 421431050347. The reversal of 421431050331 is 133050134124.

It is a happy number.

421431050331 is a `hidden beast` number, since 4 + 2 + 14 + 310 + 5 + 0 + 331 = 666.

It is not a de Polignac number, because 421431050331 - 2¹⁰ = 421431049307 is a prime.

It is a super-2 number, since 2×421431050331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421431050295 and 421431050304.

It is not an unprimeable number, because it can be changed into a prime (421431150331) 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, 23412836121 + ... + 23412836138.

It is an arithmetic number, because the mean of its divisors is an integer number (101455623230).

Almost surely, 2^421431050331 is an apocalyptic number.

421431050331 is a deficient number, since it is larger than the sum of its proper divisors (187302689049).

421431050331 is a wasteful number, since it uses less digits than its factorization.

421431050331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46825672265 (or 46825672262 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 421431050331 its reverse (133050134124), we get a palindrome (554481184455).

The spelling of 421431050331 in words is "four hundred twenty-one billion, four hundred thirty-one million, fifty thousand, three hundred thirty-one".