107731999357 has 2 divisors, whose sum is σ = 107731999358. Its totient is φ = 107731999356.

The previous prime is 107731999339. The next prime is 107731999373. The reversal of 107731999357 is 753999137701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88340322841 + 19391676516 = 297221^2 + 139254^2 .

It is a cyclic number.

It is not a de Polignac number, because 107731999357 - 2¹⁹ = 107731475069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 107731999295 and 107731999304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107731999337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53865999678 + 53865999679.

It is an arithmetic number, because the mean of its divisors is an integer number (53865999679).

Almost surely, 2^107731999357 is an apocalyptic number.

It is an amenable number.

107731999357 is a deficient number, since it is larger than the sum of its proper divisors (1).

107731999357 is an equidigital number, since it uses as much as digits as its factorization.

107731999357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11252115, while the sum is 61.

The spelling of 107731999357 in words is "one hundred seven billion, seven hundred thirty-one million, nine hundred ninety-nine thousand, three hundred fifty-seven".