431342147 has 2 divisors, whose sum is σ = 431342148. Its totient is φ = 431342146.

The previous prime is 431342137. The next prime is 431342183. The reversal of 431342147 is 741243134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431342147 - 2²⁶ = 364233283 is a prime.

It is a super-3 number, since 3×431342147³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (431342137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215671073 + 215671074.

It is an arithmetic number, because the mean of its divisors is an integer number (215671074).

Almost surely, 2^431342147 is an apocalyptic number.

431342147 is a deficient number, since it is larger than the sum of its proper divisors (1).

431342147 is an equidigital number, since it uses as much as digits as its factorization.

431342147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 431342147 is about 20768.7781778322. The cubic root of 431342147 is about 755.5687114547.

The spelling of 431342147 in words is "four hundred thirty-one million, three hundred forty-two thousand, one hundred forty-seven".