3170159981 has 2 divisors, whose sum is σ = 3170159982. Its totient is φ = 3170159980.

The previous prime is 3170159959. The next prime is 3170160001. The reversal of 3170159981 is 1899510713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2780452900 + 389707081 = 52730^2 + 19741^2 .

It is a cyclic number.

It is not a de Polignac number, because 3170159981 - 2²⁶ = 3103051117 is a prime.

It is a super-2 number, since 2×3170159981² = 20099828610267840722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3170159281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585079990 + 1585079991.

It is an arithmetic number, because the mean of its divisors is an integer number (1585079991).

Almost surely, 2^3170159981 is an apocalyptic number.

It is an amenable number.

3170159981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3170159981 is an equidigital number, since it uses as much as digits as its factorization.

3170159981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 44.

The square root of 3170159981 is about 56304.1737440485. The cubic root of 3170159981 is about 1469.0178054813.

The spelling of 3170159981 in words is "three billion, one hundred seventy million, one hundred fifty-nine thousand, nine hundred eighty-one".