131403402133 has 2 divisors, whose sum is σ = 131403402134. Its totient is φ = 131403402132.

The previous prime is 131403402121. The next prime is 131403402157. The reversal of 131403402133 is 331204304131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128638430244 + 2764971889 = 358662^2 + 52583^2 .

It is an emirp because it is prime and its reverse (331204304131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131403402133 - 2⁹ = 131403401621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131403402098 and 131403402107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403402103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701701066 + 65701701067.

It is an arithmetic number, because the mean of its divisors is an integer number (65701701067).

Almost surely, 2^131403402133 is an apocalyptic number.

It is an amenable number.

131403402133 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403402133 is an equidigital number, since it uses as much as digits as its factorization.

131403402133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 131403402133 its reverse (331204304131), we get a palindrome (462607706264).

The spelling of 131403402133 in words is "one hundred thirty-one billion, four hundred three million, four hundred two thousand, one hundred thirty-three".