131044430233 has 2 divisors, whose sum is σ = 131044430234. Its totient is φ = 131044430232.

The previous prime is 131044430221. The next prime is 131044430239. The reversal of 131044430233 is 332034440131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98186342409 + 32858087824 = 313347^2 + 181268^2 .

It is a cyclic number.

It is not a de Polignac number, because 131044430233 - 2⁵ = 131044430201 is a prime.

It is not a weakly prime, because it can be changed into another prime (131044430239) 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 as a sum of consecutive naturals, namely, 65522215116 + 65522215117.

It is an arithmetic number, because the mean of its divisors is an integer number (65522215117).

Almost surely, 2^131044430233 is an apocalyptic number.

It is an amenable number.

131044430233 is a deficient number, since it is larger than the sum of its proper divisors (1).

131044430233 is an equidigital number, since it uses as much as digits as its factorization.

131044430233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 131044430233 its reverse (332034440131), we get a palindrome (463078870364).

The spelling of 131044430233 in words is "one hundred thirty-one billion, forty-four million, four hundred thirty thousand, two hundred thirty-three".