171472631 has 8 divisors (see below), whose sum is σ = 189853824. Its totient is φ = 153556920.

The previous prime is 171472607. The next prime is 171472643. The reversal of 171472631 is 136274171.

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

It is not a de Polignac number, because 171472631 - 2¹⁰ = 171471607 is a prime.

It is a super-2 number, since 2×171472631² = 58805726364124322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171472531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115595 + ... + 117068.

It is an arithmetic number, because the mean of its divisors is an integer number (23731728).

Almost surely, 2^171472631 is an apocalyptic number.

171472631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

171472631 is a deficient number, since it is larger than the sum of its proper divisors (18381193).

171472631 is a wasteful number, since it uses less digits than its factorization.

171472631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232741.

The product of its digits is 7056, while the sum is 32.

The square root of 171472631 is about 13094.7558587398. The cubic root of 171472631 is about 555.5608118006.

The spelling of 171472631 in words is "one hundred seventy-one million, four hundred seventy-two thousand, six hundred thirty-one".