131033403337 has 2 divisors, whose sum is σ = 131033403338. Its totient is φ = 131033403336.

The previous prime is 131033403323. The next prime is 131033403341. The reversal of 131033403337 is 733304330131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126056241936 + 4977161401 = 355044^2 + 70549^2 .

It is a cyclic number.

It is not a de Polignac number, because 131033403337 - 2¹⁵ = 131033370569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131033403299 and 131033403308.

It is not a weakly prime, because it can be changed into another prime (131033403317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516701668 + 65516701669.

It is an arithmetic number, because the mean of its divisors is an integer number (65516701669).

Almost surely, 2^131033403337 is an apocalyptic number.

It is an amenable number.

131033403337 is a deficient number, since it is larger than the sum of its proper divisors (1).

131033403337 is an equidigital number, since it uses as much as digits as its factorization.

131033403337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 31.

Adding to 131033403337 its reverse (733304330131), we get a palindrome (864337733468).

The spelling of 131033403337 in words is "one hundred thirty-one billion, thirty-three million, four hundred three thousand, three hundred thirty-seven".