2040520311 has 12 divisors (see below), whose sum is σ = 2947812400. Its totient is φ = 1360164960.

The previous prime is 2040520253. The next prime is 2040520327. The reversal of 2040520311 is 1130250402.

It is not a de Polignac number, because 2040520311 - 2¹⁸ = 2040258167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040520381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112131 + ... + 129051.

Almost surely, 2^2040520311 is an apocalyptic number.

2040520311 is a deficient number, since it is larger than the sum of its proper divisors (907292089).

2040520311 is a wasteful number, since it uses less digits than its factorization.

2040520311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30326 (or 30323 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2040520311 is about 45172.1187349011. The cubic root of 2040520311 is about 1268.3729574510.

Adding to 2040520311 its reverse (1130250402), we get a palindrome (3170770713).

The spelling of 2040520311 in words is "two billion, forty million, five hundred twenty thousand, three hundred eleven".