2030120311 has 4 divisors (see below), whose sum is σ = 2032420312. Its totient is φ = 2027820312.

The previous prime is 2030120293. The next prime is 2030120317. The reversal of 2030120311 is 1130210302.

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 2030120311 - 2²⁹ = 1493249399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2030120291 and 2030120300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030120317) 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, 1148676 + ... + 1150441.

It is an arithmetic number, because the mean of its divisors is an integer number (508105078).

Almost surely, 2^2030120311 is an apocalyptic number.

2030120311 is a deficient number, since it is larger than the sum of its proper divisors (2300001).

2030120311 is an equidigital number, since it uses as much as digits as its factorization.

2030120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300000.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2030120311 is about 45056.8564260757. The cubic root of 2030120311 is about 1266.2144307173.

Adding to 2030120311 its reverse (1130210302), we get a palindrome (3160330613).

The spelling of 2030120311 in words is "two billion, thirty million, one hundred twenty thousand, three hundred eleven".