131211111323 has 8 divisors (see below), whose sum is σ = 131536949760. Its totient is φ = 130885372840.

The previous prime is 131211111281. The next prime is 131211111337. The reversal of 131211111323 is 323111112131.

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 131211111323 - 2¹⁴ = 131211094939 is a prime.

It is a super-3 number, since 3×131211111323³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131211111295 and 131211111304.

It is not an unprimeable number, because it can be changed into a prime (131211111223) 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, 3076418 + ... + 3118776.

It is an arithmetic number, because the mean of its divisors is an integer number (16442118720).

Almost surely, 2^131211111323 is an apocalyptic number.

131211111323 is a deficient number, since it is larger than the sum of its proper divisors (325838437).

131211111323 is an equidigital number, since it uses as much as digits as its factorization.

131211111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49977.

The product of its digits is 108, while the sum is 20.

Adding to 131211111323 its reverse (323111112131), we get a palindrome (454322223454).

The spelling of 131211111323 in words is "one hundred thirty-one billion, two hundred eleven million, one hundred eleven thousand, three hundred twenty-three".