431240106 has 64 divisors (see below), whose sum is σ = 974125440. Its totient is φ = 126120960.

The previous prime is 431240099. The next prime is 431240107. The reversal of 431240106 is 601042134.

It is a super-3 number, since 3×431240106³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (431240107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333910 + ... + 335198.

It is an arithmetic number, because the mean of its divisors is an integer number (15220710).

Almost surely, 2^431240106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431240106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487062720).

431240106 is an abundant number, since it is smaller than the sum of its proper divisors (542885334).

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

431240106 is a wasteful number, since it uses less digits than its factorization.

431240106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 431240106 is about 20766.3214364027. The cubic root of 431240106 is about 755.5091260669.

The spelling of 431240106 in words is "four hundred thirty-one million, two hundred forty thousand, one hundred six".