2649310231 has 4 divisors (see below), whose sum is σ = 2665563832. Its totient is φ = 2633056632.

The previous prime is 2649310229. The next prime is 2649310273. The reversal of 2649310231 is 1320139462.

2649310231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2649310231 - 2¹ = 2649310229 is a prime.

It is a super-2 number, since 2×2649310231² = 14037689400162546722, 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 = 2649310193 and 2649310202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649310031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8126556 + ... + 8126881.

It is an arithmetic number, because the mean of its divisors is an integer number (666390958).

Almost surely, 2^2649310231 is an apocalyptic number.

2649310231 is a deficient number, since it is larger than the sum of its proper divisors (16253601).

2649310231 is a wasteful number, since it uses less digits than its factorization.

2649310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16253600.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2649310231 is about 51471.4506401364. The cubic root of 2649310231 is about 1383.7074276516.

Adding to 2649310231 its reverse (1320139462), we get a palindrome (3969449693).

The spelling of 2649310231 in words is "two billion, six hundred forty-nine million, three hundred ten thousand, two hundred thirty-one".