431342680 has 64 divisors (see below), whose sum is σ = 1011502080. Its totient is φ = 165360000.

The previous prime is 431342671. The next prime is 431342689. The reversal of 431342680 is 86243134.

It is an interprime number because it is at equal distance from previous prime (431342671) and next prime (431342689).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431342689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131055 + ... + 134305.

It is an arithmetic number, because the mean of its divisors is an integer number (15804720).

Almost surely, 2^431342680 is an apocalyptic number.

431342680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431342680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505751040).

431342680 is an abundant number, since it is smaller than the sum of its proper divisors (580159400).

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

431342680 is a wasteful number, since it uses less digits than its factorization.

431342680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400 (or 3396 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 431342680 is about 20768.7910095894. The cubic root of 431342680 is about 755.5690226678.

The spelling of 431342680 in words is "four hundred thirty-one million, three hundred forty-two thousand, six hundred eighty".