2311223011 has 8 divisors (see below), whose sum is σ = 2489508864. Its totient is φ = 2139420360.

The previous prime is 2311223009. The next prime is 2311223051. The reversal of 2311223011 is 1103221132.

2311223011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2311223011 - 2¹ = 2311223009 is a prime.

It is a super-2 number, since 2×2311223011² = 10683503613151812242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311223051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1620061 + ... + 1621486.

It is an arithmetic number, because the mean of its divisors is an integer number (311188608).

Almost surely, 2^2311223011 is an apocalyptic number.

2311223011 is a deficient number, since it is larger than the sum of its proper divisors (178285853).

2311223011 is a wasteful number, since it uses less digits than its factorization.

2311223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241601.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2311223011 is about 48075.1808212928. The cubic root of 2311223011 is about 1322.1496598100.

Adding to 2311223011 its reverse (1103221132), we get a palindrome (3414444143).

The spelling of 2311223011 in words is "two billion, three hundred eleven million, two hundred twenty-three thousand, eleven".