431263332 has 96 divisors (see below), whose sum is σ = 1159401600. Its totient is φ = 138542976.

The previous prime is 431263331. The next prime is 431263333. The reversal of 431263332 is 233362134.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (431263331) and next prime (431263333).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 431263296 and 431263305.

It is not an unprimeable number, because it can be changed into a prime (431263331) 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, 337078 + ... + 338354.

It is an arithmetic number, because the mean of its divisors is an integer number (12077100).

Almost surely, 2^431263332 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 431263332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579700800).

431263332 is an abundant number, since it is smaller than the sum of its proper divisors (728138268).

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

431263332 is a wasteful number, since it uses less digits than its factorization.

431263332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1394 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 431263332 is about 20766.8806516530. The cubic root of 431263332 is about 755.5226893848.

The spelling of 431263332 in words is "four hundred thirty-one million, two hundred sixty-three thousand, three hundred thirty-two".