2313212011 has 4 divisors (see below), whose sum is σ = 2523504024. Its totient is φ = 2102920000.

The previous prime is 2313212009. The next prime is 2313212071. The reversal of 2313212011 is 1102123132.

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 2313212011 - 2¹ = 2313212009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313212071) 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, 105145990 + ... + 105146011.

It is an arithmetic number, because the mean of its divisors is an integer number (630876006).

Almost surely, 2^2313212011 is an apocalyptic number.

2313212011 is a deficient number, since it is larger than the sum of its proper divisors (210292013).

2313212011 is a wasteful number, since it uses less digits than its factorization.

2313212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210292012.

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

The square root of 2313212011 is about 48095.8627222758. The cubic root of 2313212011 is about 1322.5288243831.

Adding to 2313212011 its reverse (1102123132), we get a palindrome (3415335143).

It can be divided in two parts, 231321 and 2011, that added together give a palindrome (233332).

The spelling of 2313212011 in words is "two billion, three hundred thirteen million, two hundred twelve thousand, eleven".