20112313011 has 8 divisors (see below), whose sum is σ = 30647334144. Its totient is φ = 11492750280.

The previous prime is 20112312977. The next prime is 20112313019. The reversal of 20112313011 is 11031321102.

It is a happy number.

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

It is not a de Polignac number, because 20112313011 - 2⁹ = 20112312499 is a prime.

It is a super-2 number, since 2×20112313011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20112313019) 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, 478864575 + ... + 478864616.

It is an arithmetic number, because the mean of its divisors is an integer number (3830916768).

Almost surely, 2^20112313011 is an apocalyptic number.

20112313011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20112313011 is a deficient number, since it is larger than the sum of its proper divisors (10535021133).

20112313011 is an equidigital number, since it uses as much as digits as its factorization.

20112313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957729201.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20112313011 its reverse (11031321102), we get a palindrome (31143634113).

The spelling of 20112313011 in words is "twenty billion, one hundred twelve million, three hundred thirteen thousand, eleven".