131302312142233 has 2 divisors, whose sum is σ = 131302312142234. Its totient is φ = 131302312142232.

The previous prime is 131302312142219. The next prime is 131302312142273. The reversal of 131302312142233 is 332241213203131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92239274640384 + 39063037501849 = 9604128^2 + 6250043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131302312142233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131302312142195 and 131302312142204.

It is not a weakly prime, because it can be changed into another prime (131302312142273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651156071116 + 65651156071117.

It is an arithmetic number, because the mean of its divisors is an integer number (65651156071117).

Almost surely, 2^{131302312142233} is an apocalyptic number.

It is an amenable number.

131302312142233 is a deficient number, since it is larger than the sum of its proper divisors (1).

131302312142233 is an equidigital number, since it uses as much as digits as its factorization.

131302312142233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 131302312142233 its reverse (332241213203131), we get a palindrome (463543525345364).

It can be divided in two parts, 13130231 and 2142233, that added together give a square (15272464 = 3908²).

The spelling of 131302312142233 in words is "one hundred thirty-one trillion, three hundred two billion, three hundred twelve million, one hundred forty-two thousand, two hundred thirty-three".