131078350957 has 2 divisors, whose sum is σ = 131078350958. Its totient is φ = 131078350956.

The previous prime is 131078350943. The next prime is 131078350967. The reversal of 131078350957 is 759053870131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130860168516 + 218182441 = 361746^2 + 14771^2 .

It is a cyclic number.

It is not a de Polignac number, because 131078350957 - 2⁷ = 131078350829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131078350957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131078350967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65539175478 + 65539175479.

It is an arithmetic number, because the mean of its divisors is an integer number (65539175479).

Almost surely, 2^131078350957 is an apocalyptic number.

It is an amenable number.

131078350957 is a deficient number, since it is larger than the sum of its proper divisors (1).

131078350957 is an equidigital number, since it uses as much as digits as its factorization.

131078350957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 49.

The spelling of 131078350957 in words is "one hundred thirty-one billion, seventy-eight million, three hundred fifty thousand, nine hundred fifty-seven".