431130245 has 16 divisors (see below), whose sum is σ = 636746880. Its totient is φ = 272890944.

The previous prime is 431130241. The next prime is 431130289. The reversal of 431130245 is 542031134.

It is a cyclic number.

It is not a de Polignac number, because 431130245 - 2² = 431130241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431130245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431130241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473315 + ... + 474224.

It is an arithmetic number, because the mean of its divisors is an integer number (39796680).

Almost surely, 2^431130245 is an apocalyptic number.

It is an amenable number.

431130245 is a deficient number, since it is larger than the sum of its proper divisors (205616635).

431130245 is a wasteful number, since it uses less digits than its factorization.

431130245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947564.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 431130245 is about 20763.6760955280. The cubic root of 431130245 is about 755.4449637930. Note that the first 3 decimals are identical.

Adding to 431130245 its reverse (542031134), we get a palindrome (973161379).

The spelling of 431130245 in words is "four hundred thirty-one million, one hundred thirty thousand, two hundred forty-five".