131101312123 has 8 divisors (see below), whose sum is σ = 132687526608. Its totient is φ = 129515256864.

The previous prime is 131101312117. The next prime is 131101312141. The reversal of 131101312123 is 321213101131.

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 131101312123 - 2²⁹ = 130564441211 is a prime.

It is a super-3 number, since 3×131101312123³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131101312123.

It is not an unprimeable number, because it can be changed into a prime (131101312103) 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, 3171061 + ... + 3212137.

It is an arithmetic number, because the mean of its divisors is an integer number (16585940826).

Almost surely, 2^131101312123 is an apocalyptic number.

131101312123 is a deficient number, since it is larger than the sum of its proper divisors (1586214485).

131101312123 is an equidigital number, since it uses as much as digits as its factorization.

131101312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79613.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131101312123 its reverse (321213101131), we get a palindrome (452314413254).

The spelling of 131101312123 in words is "one hundred thirty-one billion, one hundred one million, three hundred twelve thousand, one hundred twenty-three".