3171285940 has 48 divisors (see below), whose sum is σ = 6753600000. Its totient is φ = 1250675712.

The previous prime is 3171285919. The next prime is 3171285967. The reversal of 3171285940 is 495821713.

It is a junction number, because it is equal to n+sod(n) for n = 3171285893 and 3171285902.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1972617 + ... + 1974223.

It is an arithmetic number, because the mean of its divisors is an integer number (140700000).

Almost surely, 2^3171285940 is an apocalyptic number.

It is an amenable number.

3171285940 is an abundant number, since it is smaller than the sum of its proper divisors (3582314060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3171285940 is a wasteful number, since it uses less digits than its factorization.

3171285940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 3171285940 is about 56314.1717509900. The cubic root of 3171285940 is about 1469.1917039641.

The spelling of 3171285940 in words is "three billion, one hundred seventy-one million, two hundred eighty-five thousand, nine hundred forty".