2951231 has 12 divisors (see below), whose sum is σ = 3169656. Its totient is φ = 2745360.

The previous prime is 2951209. The next prime is 2951233. The reversal of 2951231 is 1321592.

2951231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2951231 - 2¹⁴ = 2934847 is a prime.

It is a super-2 number, since 2×2951231² = 17419528830722, 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 = 2951197 and 2951206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2951233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35516 + ... + 35598.

It is an arithmetic number, because the mean of its divisors is an integer number (264138).

2^2951231 is an apocalyptic number.

2951231 is a deficient number, since it is larger than the sum of its proper divisors (218425).

2951231 is an equidigital number, since it uses as much as digits as its factorization.

2951231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 151 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 2951231 is about 1717.9147243097. The cubic root of 2951231 is about 143.4391604730.

The spelling of 2951231 in words is "two million, nine hundred fifty-one thousand, two hundred thirty-one".