2831097 has 4 divisors (see below), whose sum is σ = 3774800. Its totient is φ = 1887396.

The previous prime is 2831089. The next prime is 2831141. The reversal of 2831097 is 7901382.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2831097 - 2³ = 2831089 is a prime.

It is a super-2 number, since 2×2831097² = 16030220446818, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

2831097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2831497) 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, 471847 + ... + 471852.

It is an arithmetic number, because the mean of its divisors is an integer number (943700).

2^2831097 is an apocalyptic number.

It is an amenable number.

2831097 is a deficient number, since it is larger than the sum of its proper divisors (943703).

2831097 is an equidigital number, since it uses as much as digits as its factorization.

2831097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943702.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2831097 is about 1682.5864019420. The cubic root of 2831097 is about 141.4658401644.

It can be divided in two parts, 28 and 31097, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 2831097 in words is "two million, eight hundred thirty-one thousand, ninety-seven".