431122374228 has 192 divisors, whose sum is σ = 1257007546368. Its totient is φ = 111978961920.

The previous prime is 431122374217. The next prime is 431122374233. The reversal of 431122374228 is 822473221134.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18988363 + ... + 19011053.

It is an arithmetic number, because the mean of its divisors is an integer number (6546914304).

Almost surely, 2^431122374228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431122374228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628503773184).

431122374228 is an abundant number, since it is smaller than the sum of its proper divisors (825885172140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431122374228 is a wasteful number, since it uses less digits than its factorization.

431122374228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22982 (or 22980 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The spelling of 431122374228 in words is "four hundred thirty-one billion, one hundred twenty-two million, three hundred seventy-four thousand, two hundred twenty-eight".