20110330123131 has 4 divisors (see below), whose sum is σ = 26813773497512. Its totient is φ = 13406886748752.

The previous prime is 20110330123099. The next prime is 20110330123171. The reversal of 20110330123131 is 13132103301102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20110330123131 - 2⁵ = 20110330123099 is a prime.

It is a super-2 number, since 2×20110330123131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110330123098 and 20110330123107.

It is not an unprimeable number, because it can be changed into a prime (20110330123171) 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, 3351721687186 + ... + 3351721687191.

It is an arithmetic number, because the mean of its divisors is an integer number (6703443374378).

Almost surely, 2^{20110330123131} is an apocalyptic number.

20110330123131 is a deficient number, since it is larger than the sum of its proper divisors (6703443374381).

20110330123131 is an equidigital number, since it uses as much as digits as its factorization.

20110330123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703443374380.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 20110330123131 its reverse (13132103301102), we get a palindrome (33242433424233).

The spelling of 20110330123131 in words is "twenty trillion, one hundred ten billion, three hundred thirty million, one hundred twenty-three thousand, one hundred thirty-one".