431350885387 has 8 divisors (see below), whose sum is σ = 433862308656. Its totient is φ = 428839670112.

The previous prime is 431350885379. The next prime is 431350885397. The reversal of 431350885387 is 783588053134.

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

It is a cyclic number.

It is not a de Polignac number, because 431350885387 - 2³ = 431350885379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431350885367) 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, 6491988 + ... + 6558094.

It is an arithmetic number, because the mean of its divisors is an integer number (54232788582).

Almost surely, 2^431350885387 is an apocalyptic number.

431350885387 is a deficient number, since it is larger than the sum of its proper divisors (2511423269).

431350885387 is a wasteful number, since it uses less digits than its factorization.

431350885387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103997.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 431350885387 in words is "four hundred thirty-one billion, three hundred fifty million, eight hundred eighty-five thousand, three hundred eighty-seven".