2311301020111 has 4 divisors (see below), whose sum is σ = 2312030370400. Its totient is φ = 2310571669824.

The previous prime is 2311301019943. The next prime is 2311301020139. The reversal of 2311301020111 is 1110201031132.

It is a happy number.

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 2311301020111 - 2¹³ = 2311301011919 is a prime.

It is a super-2 number, since 2×2311301020111² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311301020211) 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, 364670391 + ... + 364676728.

It is an arithmetic number, because the mean of its divisors is an integer number (578007592600).

Almost surely, 2^{2311301020111} is an apocalyptic number.

2311301020111 is a deficient number, since it is larger than the sum of its proper divisors (729350289).

2311301020111 is an equidigital number, since it uses as much as digits as its factorization.

2311301020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729350288.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2311301020111 its reverse (1110201031132), we get a palindrome (3421502051243).

The spelling of 2311301020111 in words is "two trillion, three hundred eleven billion, three hundred one million, twenty thousand, one hundred eleven".