431550420427 has 8 divisors (see below), whose sum is σ = 504670259456. Its totient is φ = 361298026152.

The previous prime is 431550420403. The next prime is 431550420443. The reversal of 431550420427 is 724024055134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 431550420427 - 2¹¹ = 431550418379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431550421427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716860863 + ... + 716861464.

It is an arithmetic number, because the mean of its divisors is an integer number (63083782432).

Almost surely, 2^431550420427 is an apocalyptic number.

431550420427 is a deficient number, since it is larger than the sum of its proper divisors (73119839029).

431550420427 is a wasteful number, since it uses less digits than its factorization.

431550420427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433722377.

The product of its (nonzero) digits is 134400, while the sum is 37.

The spelling of 431550420427 in words is "four hundred thirty-one billion, five hundred fifty million, four hundred twenty thousand, four hundred twenty-seven".