2148311072 has 24 divisors (see below), whose sum is σ = 4230557100. Its totient is φ = 1073883904.

The previous prime is 2148311023. The next prime is 2148311083. The reversal of 2148311072 is 2701138412.

It can be written as a sum of positive squares in 2 ways, for example, as 2061523216 + 86787856 = 45404^2 + 9316^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195254 + ... + 205962.

Almost surely, 2^2148311072 is an apocalyptic number.

It is an amenable number.

2148311072 is a deficient number, since it is larger than the sum of its proper divisors (2082246028).

2148311072 is a wasteful number, since it uses less digits than its factorization.

2148311072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16988 (or 16980 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2148311072 is about 46349.8767204402. The cubic root of 2148311072 is about 1290.3248329662.

Adding to 2148311072 its reverse (2701138412), we get a palindrome (4849449484).

The spelling of 2148311072 in words is "two billion, one hundred forty-eight million, three hundred eleven thousand, seventy-two".