3171401231 has 8 divisors (see below), whose sum is σ = 3248237520. Its totient is φ = 3094705152.

The previous prime is 3171401159. The next prime is 3171401237. The reversal of 3171401231 is 1321041713.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3171401231 is a prime.

It is a super-2 number, since 2×3171401231² = 20115571535976630722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3171401197 and 3171401206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3171401237) 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, 11471 + ... + 80463.

It is an arithmetic number, because the mean of its divisors is an integer number (406029690).

Almost surely, 2^3171401231 is an apocalyptic number.

3171401231 is a deficient number, since it is larger than the sum of its proper divisors (76836289).

3171401231 is a wasteful number, since it uses less digits than its factorization.

3171401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70105.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 3171401231 is about 56315.1953827739. The cubic root of 3171401231 is about 1469.2095077332.

Adding to 3171401231 its reverse (1321041713), we get a palindrome (4492442944).

The spelling of 3171401231 in words is "three billion, one hundred seventy-one million, four hundred one thousand, two hundred thirty-one".