131123000001 has 8 divisors (see below), whose sum is σ = 199806476224. Its totient is φ = 74927428560.

The previous prime is 131122999993. The next prime is 131123000017. The reversal of 131123000001 is 100000321131.

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

It is not a de Polignac number, because 131123000001 - 2³ = 131122999993 is a prime.

It is a super-2 number, since 2×131123000001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131123040001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3121976170 + ... + 3121976211.

It is an arithmetic number, because the mean of its divisors is an integer number (24975809528).

Almost surely, 2^131123000001 is an apocalyptic number.

It is an amenable number.

131123000001 is a deficient number, since it is larger than the sum of its proper divisors (68683476223).

131123000001 is an equidigital number, since it uses as much as digits as its factorization.

131123000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243952391.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 131123000001 its reverse (100000321131), we get a palindrome (231123321132).

The spelling of 131123000001 in words is "one hundred thirty-one billion, one hundred twenty-three million, one", and thus it is an aban number.