431020424110221 has 48 divisors (see below), whose sum is σ = 695753684196480. Its totient is φ = 254851511040000.

The previous prime is 431020424110217. The next prime is 431020424110247. The reversal of 431020424110221 is 122011424020134.

431020424110221 is a `hidden beast` number, since 4 + 3 + 1 + 0 + 2 + 0 + 424 + 1 + 10 + 221 = 666.

It is not a de Polignac number, because 431020424110221 - 2² = 431020424110217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431020424110261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 934837296 + ... + 935298246.

It is an arithmetic number, because the mean of its divisors is an integer number (14494868420760).

Almost surely, 2^{431020424110221} is an apocalyptic number.

431020424110221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

431020424110221 is a deficient number, since it is larger than the sum of its proper divisors (264733260086259).

431020424110221 is a wasteful number, since it uses less digits than its factorization.

431020424110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691378 (or 691375 counting only the distinct ones).

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

Adding to 431020424110221 its reverse (122011424020134), we get a palindrome (553031848130355).

The spelling of 431020424110221 in words is "four hundred thirty-one trillion, twenty billion, four hundred twenty-four million, one hundred ten thousand, two hundred twenty-one".