431043347 has 12 divisors (see below), whose sum is σ = 530913960. Its totient is φ = 347731776.

The previous prime is 431043331. The next prime is 431043383. The reversal of 431043347 is 743340134.

It is not a de Polignac number, because 431043347 - 2⁴ = 431043331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431043307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257897 + ... + 259562.

It is an arithmetic number, because the mean of its divisors is an integer number (44242830).

Almost surely, 2^431043347 is an apocalyptic number.

431043347 is a deficient number, since it is larger than the sum of its proper divisors (99870613).

431043347 is a wasteful number, since it uses less digits than its factorization.

431043347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517490 (or 517483 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 431043347 is about 20761.5834415393. The cubic root of 431043347 is about 755.3942049111.

The spelling of 431043347 in words is "four hundred thirty-one million, forty-three thousand, three hundred forty-seven".