3150981 has 12 divisors (see below), whose sum is σ = 4720352. Its totient is φ = 2100492.

The previous prime is 3150947. The next prime is 3151007. The reversal of 3150981 is 1890513.

It is not a de Polignac number, because 3150981 - 2¹⁴ = 3134597 is a prime.

It is a super-2 number, since 2×3150981² = 19857362524722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3150281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6241 + ... + 6726.

Almost surely, 2^3150981 is an apocalyptic number.

It is an amenable number.

3150981 is a deficient number, since it is larger than the sum of its proper divisors (1569371).

3150981 is an equidigital number, since it uses as much as digits as its factorization.

3150981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12982 (or 12970 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 3150981 is about 1775.1002788575. The cubic root of 3150981 is about 146.6049367175.

The spelling of 3150981 in words is "three million, one hundred fifty thousand, nine hundred eighty-one".