131211300233 has 16 divisors (see below), whose sum is σ = 149155977600. Its totient is φ = 114423788160.

The previous prime is 131211300217. The next prime is 131211300247. The reversal of 131211300233 is 332003112131.

It is not a de Polignac number, because 131211300233 - 2⁴ = 131211300217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131211300433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651188 + ... + 828533.

It is an arithmetic number, because the mean of its divisors is an integer number (9322248600).

Almost surely, 2^131211300233 is an apocalyptic number.

131211300233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131211300233 is a deficient number, since it is larger than the sum of its proper divisors (17944677367).

131211300233 is a wasteful number, since it uses less digits than its factorization.

131211300233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480112.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131211300233 its reverse (332003112131), we get a palindrome (463214412364).

The spelling of 131211300233 in words is "one hundred thirty-one billion, two hundred eleven million, three hundred thousand, two hundred thirty-three".