431045340155 has 8 divisors (see below), whose sum is σ = 517367102784. Its totient is φ = 344761142400.

The previous prime is 431045340149. The next prime is 431045340179. The reversal of 431045340155 is 551043540134.

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

It is not a de Polignac number, because 431045340155 - 2²² = 431041145851 is a prime.

It is a Duffinian 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, 9365966 + ... + 9411875.

It is an arithmetic number, because the mean of its divisors is an integer number (64670887848).

Almost surely, 2^431045340155 is an apocalyptic number.

431045340155 is a deficient number, since it is larger than the sum of its proper divisors (86321762629).

431045340155 is a wasteful number, since it uses less digits than its factorization.

431045340155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18782437.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 431045340155 its reverse (551043540134), we get a palindrome (982088880289).

The spelling of 431045340155 in words is "four hundred thirty-one billion, forty-five million, three hundred forty thousand, one hundred fifty-five".