431304102 has 28 divisors (see below), whose sum is σ = 969993780. Its totient is φ = 143767548.

The previous prime is 431304017. The next prime is 431304103. The reversal of 431304102 is 201403134.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431304103) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 146452 + ... + 149367.

It is an arithmetic number, because the mean of its divisors is an integer number (34642635).

Almost surely, 2^431304102 is an apocalyptic number.

431304102 is an abundant number, since it is smaller than the sum of its proper divisors (538689678).

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

431304102 is an equidigital number, since it uses as much as digits as its factorization.

431304102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295839 (or 295824 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 431304102 is about 20767.8622395277. The cubic root of 431304102 is about 755.5464967179.

Adding to 431304102 its reverse (201403134), we get a palindrome (632707236).

The spelling of 431304102 in words is "four hundred thirty-one million, three hundred four thousand, one hundred two".