20123100110131 has 8 divisors (see below), whose sum is σ = 20551359144960. Its totient is φ = 19694845574088.

The previous prime is 20123100110129. The next prime is 20123100110137. The reversal of 20123100110131 is 13101100132102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20123100110131 - 2¹ = 20123100110129 is a prime.

It is a super-2 number, since 2×20123100110131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123100110137) 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, 8847430 + ... + 10886836.

It is an arithmetic number, because the mean of its divisors is an integer number (2568919893120).

Almost surely, 2^{20123100110131} is an apocalyptic number.

20123100110131 is a deficient number, since it is larger than the sum of its proper divisors (428259034829).

20123100110131 is a wasteful number, since it uses less digits than its factorization.

20123100110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249393.

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

Adding to 20123100110131 its reverse (13101100132102), we get a palindrome (33224200242233).

The spelling of 20123100110131 in words is "twenty trillion, one hundred twenty-three billion, one hundred million, one hundred ten thousand, one hundred thirty-one".