3150881 has 4 divisors (see below), whose sum is σ = 3154452. Its totient is φ = 3147312.

The previous prime is 3150877. The next prime is 3150887. The reversal of 3150881 is 1880513.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 654481 + 2496400 = 809^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 3150881 - 2² = 3150877 is a prime.

It is a super-2 number, since 2×3150881² = 19856102152322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3150881.

It is not an unprimeable number, because it can be changed into a prime (3150887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611 + ... + 2583.

It is an arithmetic number, because the mean of its divisors is an integer number (788613).

Almost surely, 2^3150881 is an apocalyptic number.

It is an amenable number.

3150881 is a deficient number, since it is larger than the sum of its proper divisors (3571).

3150881 is a wasteful number, since it uses less digits than its factorization.

3150881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 3150881 is about 1775.0721112113. The cubic root of 3150881 is about 146.6033858091.

The spelling of 3150881 in words is "three million, one hundred fifty thousand, eight hundred eighty-one".