431220102 has 16 divisors (see below), whose sum is σ = 876579312. Its totient is φ = 141383520.

The previous prime is 431220059. The next prime is 431220121. The reversal of 431220102 is 201022134.

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, 588733 + ... + 589464.

It is an arithmetic number, because the mean of its divisors is an integer number (54786207).

Almost surely, 2^431220102 is an apocalyptic number.

431220102 is an abundant number, since it is smaller than the sum of its proper divisors (445359210).

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

431220102 is a wasteful number, since it uses less digits than its factorization.

431220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178263.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 431220102 is about 20765.8397855709. The cubic root of 431220102 is about 755.4974439142.

Adding to 431220102 its reverse (201022134), we get a palindrome (632242236).

The spelling of 431220102 in words is "four hundred thirty-one million, two hundred twenty thousand, one hundred two".