3151748081 has 24 divisors (see below), whose sum is σ = 3320170560. Its totient is φ = 2990764896.

The previous prime is 3151748071. The next prime is 3151748087. The reversal of 3151748081 is 1808471513.

It is a happy number.

It is not a de Polignac number, because 3151748081 - 2¹⁴ = 3151731697 is a prime.

It is a super-2 number, since 2×3151748081² = 19867031932174365122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3151748087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18218111 + ... + 18218283.

It is an arithmetic number, because the mean of its divisors is an integer number (138340440).

Almost surely, 2^3151748081 is an apocalyptic number.

It is an amenable number.

3151748081 is a deficient number, since it is larger than the sum of its proper divisors (168422479).

3151748081 is a wasteful number, since it uses less digits than its factorization.

3151748081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 3151748081 is about 56140.4317849444. The cubic root of 3151748081 is about 1466.1683235012.

The spelling of 3151748081 in words is "three billion, one hundred fifty-one million, seven hundred forty-eight thousand, eighty-one".