431220233402132 has 12 divisors (see below), whose sum is σ = 755777065657236. Its totient is φ = 215283928928640.

The previous prime is 431220233402053. The next prime is 431220233402173. The reversal of 431220233402132 is 231204332022134.

It can be written as a sum of positive squares in 2 ways, for example, as 207352684864516 + 223867548537616 = 14399746^2 + 14962204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81546940133 + ... + 81546945420.

It is an arithmetic number, because the mean of its divisors is an integer number (62981422138103).

Almost surely, 2^{431220233402132} is an apocalyptic number.

It is an amenable number.

431220233402132 is a deficient number, since it is larger than the sum of its proper divisors (324556832255104).

431220233402132 is a wasteful number, since it uses less digits than its factorization.

431220233402132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163093886218 (or 163093886216 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 431220233402132 its reverse (231204332022134), we get a palindrome (662424565424266).

The spelling of 431220233402132 in words is "four hundred thirty-one trillion, two hundred twenty billion, two hundred thirty-three million, four hundred two thousand, one hundred thirty-two".