131123110321 has 8 divisors (see below), whose sum is σ = 150639565824. Its totient is φ = 111802800480.

The previous prime is 131123110253. The next prime is 131123110409. The reversal of 131123110321 is 123011321131.

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

It is not a de Polignac number, because 131123110321 - 2¹³ = 131123102129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131123110021) 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, 49034980 + ... + 49037653.

It is an arithmetic number, because the mean of its divisors is an integer number (18829945728).

Almost surely, 2^131123110321 is an apocalyptic number.

It is an amenable number.

131123110321 is a deficient number, since it is larger than the sum of its proper divisors (19516455503).

131123110321 is an equidigital number, since it uses as much as digits as its factorization.

131123110321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98072831.

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

Adding to 131123110321 its reverse (123011321131), we get a palindrome (254134431452).

The spelling of 131123110321 in words is "one hundred thirty-one billion, one hundred twenty-three million, one hundred ten thousand, three hundred twenty-one".