171312004 has 12 divisors (see below), whose sum is σ = 312830784. Its totient is φ = 81931784.

The previous prime is 171311993. The next prime is 171312041. The reversal of 171312004 is 400213171.

171312004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930952 + ... + 931135.

It is an arithmetic number, because the mean of its divisors is an integer number (26069232).

Almost surely, 2^171312004 is an apocalyptic number.

It is an amenable number.

171312004 is a deficient number, since it is larger than the sum of its proper divisors (141518780).

171312004 is a wasteful number, since it uses less digits than its factorization.

171312004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862114 (or 1862112 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 171312004 is about 13088.6211649662. The cubic root of 171312004 is about 555.3872837278.

Adding to 171312004 its reverse (400213171), we get a palindrome (571525175).

The spelling of 171312004 in words is "one hundred seventy-one million, three hundred twelve thousand, four".