319472047 has 8 divisors (see below), whose sum is σ = 334696320. Its totient is φ = 304359000.

The previous prime is 319472039. The next prime is 319472077. The reversal of 319472047 is 740274913.

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

It is not a de Polignac number, because 319472047 - 2³ = 319472039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 319471997 and 319472015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319472077) 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, 21897 + ... + 33442.

It is an arithmetic number, because the mean of its divisors is an integer number (41837040).

Almost surely, 2^319472047 is an apocalyptic number.

319472047 is a deficient number, since it is larger than the sum of its proper divisors (15224273).

319472047 is a wasteful number, since it uses less digits than its factorization.

319472047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55613.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 319472047 is about 17873.7809933992. The cubic root of 319472047 is about 683.6140103894.

The spelling of 319472047 in words is "three hundred nineteen million, four hundred seventy-two thousand, forty-seven".