2291431024 has 40 divisors (see below), whose sum is σ = 4546584000. Its totient is φ = 1118447616.

The previous prime is 2291431007. The next prime is 2291431031. The reversal of 2291431024 is 4201341922.

It is a super-2 number, since 2×2291431024² = 10501312275499377152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2291430983 and 2291431001.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 102312 + ... + 122680.

It is an arithmetic number, because the mean of its divisors is an integer number (113664600).

Almost surely, 2^2291431024 is an apocalyptic number.

It is an amenable number.

2291431024 is a deficient number, since it is larger than the sum of its proper divisors (2255152976).

2291431024 is a wasteful number, since it uses less digits than its factorization.

2291431024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20545 (or 20539 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2291431024 is about 47868.8941171613. The cubic root of 2291431024 is about 1318.3647918016.

Adding to 2291431024 its reverse (4201341922), we get a palindrome (6492772946).

The spelling of 2291431024 in words is "two billion, two hundred ninety-one million, four hundred thirty-one thousand, twenty-four".