131033426057 has 2 divisors, whose sum is σ = 131033426058. Its totient is φ = 131033426056.

The previous prime is 131033426053. The next prime is 131033426099. The reversal of 131033426057 is 750624330131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118732619776 + 12300806281 = 344576^2 + 110909^2 .

It is a cyclic number.

It is not a de Polignac number, because 131033426057 - 2² = 131033426053 is a prime.

It is not a weakly prime, because it can be changed into another prime (131033426053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516713028 + 65516713029.

It is an arithmetic number, because the mean of its divisors is an integer number (65516713029).

Almost surely, 2^131033426057 is an apocalyptic number.

It is an amenable number.

131033426057 is a deficient number, since it is larger than the sum of its proper divisors (1).

131033426057 is an equidigital number, since it uses as much as digits as its factorization.

131033426057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 131033426057 its reverse (750624330131), we get a palindrome (881657756188).

The spelling of 131033426057 in words is "one hundred thirty-one billion, thirty-three million, four hundred twenty-six thousand, fifty-seven".