3151701681 has 16 divisors (see below), whose sum is σ = 4240790784. Its totient is φ = 2081948544.

The previous prime is 3151701671. The next prime is 3151701733. The reversal of 3151701681 is 1861071513.

It is not a de Polignac number, because 3151701681 - 2⁵ = 3151701649 is a prime.

It is a super-2 number, since 2×3151701681² = 19866446972036451522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3151701601) 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 15 ways as a sum of consecutive naturals, for example, 163741 + ... + 181973.

It is an arithmetic number, because the mean of its divisors is an integer number (265049424).

Almost surely, 2^3151701681 is an apocalyptic number.

It is an amenable number.

3151701681 is a deficient number, since it is larger than the sum of its proper divisors (1089089103).

3151701681 is a wasteful number, since it uses less digits than its factorization.

3151701681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18760.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 3151701681 is about 56140.0185340190. The cubic root of 3151701681 is about 1466.1611284947.

The spelling of 3151701681 in words is "three billion, one hundred fifty-one million, seven hundred one thousand, six hundred eighty-one".