431212326 has 16 divisors (see below), whose sum is σ = 899921664. Its totient is φ = 137487944.

The previous prime is 431212283. The next prime is 431212363. The reversal of 431212326 is 623212134.

It is a junction number, because it is equal to n+sod(n) for n = 431212296 and 431212305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562226 + ... + 1562501.

It is an arithmetic number, because the mean of its divisors is an integer number (56245104).

Almost surely, 2^431212326 is an apocalyptic number.

431212326 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

431212326 is an abundant number, since it is smaller than the sum of its proper divisors (468709338).

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

431212326 is a wasteful number, since it uses less digits than its factorization.

431212326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124755.

The product of its digits is 1728, while the sum is 24.

The square root of 431212326 is about 20765.6525541578. The cubic root of 431212326 is about 755.4929027040.

The spelling of 431212326 in words is "four hundred thirty-one million, two hundred twelve thousand, three hundred twenty-six".