2053021311 has 12 divisors (see below), whose sum is σ = 3235064040. Its totient is φ = 1244255280.

The previous prime is 2053021301. The next prime is 2053021339. The reversal of 2053021311 is 1131203502.

2053021311 is a `hidden beast` number, since 2 + 0 + 530 + 2 + 131 + 1 = 666.

It is not a de Polignac number, because 2053021311 - 2⁹ = 2053020799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053021301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10368696 + ... + 10368893.

It is an arithmetic number, because the mean of its divisors is an integer number (269588670).

Almost surely, 2^2053021311 is an apocalyptic number.

2053021311 is a deficient number, since it is larger than the sum of its proper divisors (1182042729).

2053021311 is a wasteful number, since it uses less digits than its factorization.

2053021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20737606 (or 20737603 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2053021311 is about 45310.2782048400. The cubic root of 2053021311 is about 1270.9578635659.

Adding to 2053021311 its reverse (1131203502), we get a palindrome (3184224813).

The spelling of 2053021311 in words is "two billion, fifty-three million, twenty-one thousand, three hundred eleven".