2010020311 has 4 divisors (see below), whose sum is σ = 2164637272. Its totient is φ = 1855403352.

The previous prime is 2010020269. The next prime is 2010020351. The reversal of 2010020311 is 1130200102.

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 2010020311 - 2⁹ = 2010019799 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 (2010020351) 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, 77308461 + ... + 77308486.

It is an arithmetic number, because the mean of its divisors is an integer number (541159318).

Almost surely, 2^2010020311 is an apocalyptic number.

2010020311 is a deficient number, since it is larger than the sum of its proper divisors (154616961).

2010020311 is a wasteful number, since it uses less digits than its factorization.

2010020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154616960.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2010020311 is about 44833.2500606414. The cubic root of 2010020311 is about 1262.0216790906.

Adding to 2010020311 its reverse (1130200102), we get a palindrome (3140220413).

The spelling of 2010020311 in words is "two billion, ten million, twenty thousand, three hundred eleven".