131001100022123 has 4 divisors (see below), whose sum is σ = 131001134630328. Its totient is φ = 131001065413920.

The previous prime is 131001100022029. The next prime is 131001100022167. The reversal of 131001100022123 is 321220001100131.

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 131001100022123 - 2¹⁸ = 131001099759979 is a prime.

It is a super-2 number, since 2×131001100022123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131001100022423) 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, 10815086 + ... + 19467107.

It is an arithmetic number, because the mean of its divisors is an integer number (32750283657582).

Almost surely, 2^{131001100022123} is an apocalyptic number.

131001100022123 is a deficient number, since it is larger than the sum of its proper divisors (34608205).

131001100022123 is an equidigital number, since it uses as much as digits as its factorization.

131001100022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34608204.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131001100022123 its reverse (321220001100131), we get a palindrome (452221101122254).

The spelling of 131001100022123 in words is "one hundred thirty-one trillion, one billion, one hundred million, twenty-two thousand, one hundred twenty-three".