431235047 has 8 divisors (see below), whose sum is σ = 438640080. Its totient is φ = 423840960.

The previous prime is 431235031. The next prime is 431235053. The reversal of 431235047 is 740532134.

It is a happy number.

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 431235047 - 2⁴ = 431235031 is a prime.

It is a super-2 number, since 2×431235047² = 371927331522184418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431235067) 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, 132779 + ... + 135987.

It is an arithmetic number, because the mean of its divisors is an integer number (54830010).

Almost surely, 2^431235047 is an apocalyptic number.

431235047 is a deficient number, since it is larger than the sum of its proper divisors (7405033).

431235047 is a wasteful number, since it uses less digits than its factorization.

431235047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 431235047 is about 20766.1996282420. The cubic root of 431235047 is about 755.5061716914.

The spelling of 431235047 in words is "four hundred thirty-one million, two hundred thirty-five thousand, forty-seven".