431447513 has 8 divisors (see below), whose sum is σ = 493820928. Its totient is φ = 369258624.

The previous prime is 431447503. The next prime is 431447537. The reversal of 431447513 is 315744134.

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

It is not a de Polignac number, because 431447513 - 2¹⁴ = 431431129 is a prime.

It is a super-2 number, since 2×431447513² = 372293912947770338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431447513.

It is not an unprimeable number, because it can be changed into a prime (431447503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41081 + ... + 50502.

It is an arithmetic number, because the mean of its divisors is an integer number (61727616).

Almost surely, 2^431447513 is an apocalyptic number.

It is an amenable number.

431447513 is a deficient number, since it is larger than the sum of its proper divisors (62373415).

431447513 is an equidigital number, since it uses as much as digits as its factorization.

431447513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92263.

The product of its digits is 20160, while the sum is 32.

The square root of 431447513 is about 20771.3146671076. The cubic root of 431447513 is about 755.6302285682.

The spelling of 431447513 in words is "four hundred thirty-one million, four hundred forty-seven thousand, five hundred thirteen".