2311728038 has 4 divisors (see below), whose sum is σ = 3467592060. Its totient is φ = 1155864018.

The previous prime is 2311727933. The next prime is 2311728047. The reversal of 2311728038 is 8308271132.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2311727989 and 2311728007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577932008 + ... + 577932011.

It is an arithmetic number, because the mean of its divisors is an integer number (866898015).

Almost surely, 2^2311728038 is an apocalyptic number.

2311728038 is a deficient number, since it is larger than the sum of its proper divisors (1155864022).

2311728038 is a wasteful number, since it uses less digits than its factorization.

2311728038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155864021.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2311728038 is about 48080.4330055377. The cubic root of 2311728038 is about 1322.2459540871.

The spelling of 2311728038 in words is "two billion, three hundred eleven million, seven hundred twenty-eight thousand, thirty-eight".