2971031 has 4 divisors (see below), whose sum is σ = 3395472. Its totient is φ = 2546592.

The previous prime is 2971019. The next prime is 2971043. The reversal of 2971031 is 1301792.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2971019) and next prime (2971043).

It is a cyclic number.

It is not a de Polignac number, because 2971031 - 2⁶ = 2970967 is a prime.

It is a super-2 number, since 2×2971031² = 17654050405922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2970988 and 2971006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212210 + ... + 212223.

It is an arithmetic number, because the mean of its divisors is an integer number (848868).

2^2971031 is an apocalyptic number.

2971031 is a deficient number, since it is larger than the sum of its proper divisors (424441).

2971031 is an equidigital number, since it uses as much as digits as its factorization.

2971031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424440.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2971031 is about 1723.6678914454. The cubic root of 2971031 is about 143.7592266289.

The spelling of 2971031 in words is "two million, nine hundred seventy-one thousand, thirty-one".