131003451077 has 2 divisors, whose sum is σ = 131003451078. Its totient is φ = 131003451076.

The previous prime is 131003451067. The next prime is 131003451179. The reversal of 131003451077 is 770154300131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130996220356 + 7230721 = 361934^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 131003451077 - 2⁶ = 131003451013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131003451067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65501725538 + 65501725539.

It is an arithmetic number, because the mean of its divisors is an integer number (65501725539).

Almost surely, 2^131003451077 is an apocalyptic number.

It is an amenable number.

131003451077 is a deficient number, since it is larger than the sum of its proper divisors (1).

131003451077 is an equidigital number, since it uses as much as digits as its factorization.

131003451077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 131003451077 in words is "one hundred thirty-one billion, three million, four hundred fifty-one thousand, seventy-seven".