131020000357 has 2 divisors, whose sum is σ = 131020000358. Its totient is φ = 131020000356.

The previous prime is 131020000217. The next prime is 131020000381. The reversal of 131020000357 is 753000020131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71756479876 + 59263520481 = 267874^2 + 243441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131020000357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131020000057) 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, 65510000178 + 65510000179.

It is an arithmetic number, because the mean of its divisors is an integer number (65510000179).

Almost surely, 2^131020000357 is an apocalyptic number.

It is an amenable number.

131020000357 is a deficient number, since it is larger than the sum of its proper divisors (1).

131020000357 is an equidigital number, since it uses as much as digits as its factorization.

131020000357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

Adding to 131020000357 its reverse (753000020131), we get a palindrome (884020020488).

The spelling of 131020000357 in words is "one hundred thirty-one billion, twenty million, three hundred fifty-seven", and thus it is an aban number.