712731101 has 2 divisors, whose sum is σ = 712731102. Its totient is φ = 712731100.

The previous prime is 712731083. The next prime is 712731113. The reversal of 712731101 is 101137217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 644652100 + 68079001 = 25390^2 + 8251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712731101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712733101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356365550 + 356365551.

It is an arithmetic number, because the mean of its divisors is an integer number (356365551).

Almost surely, 2^712731101 is an apocalyptic number.

It is an amenable number.

712731101 is a deficient number, since it is larger than the sum of its proper divisors (1).

712731101 is an equidigital number, since it uses as much as digits as its factorization.

712731101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 712731101 is about 26697.0241974644. The cubic root of 712731101 is about 893.2545493596.

Adding to 712731101 its reverse (101137217), we get a palindrome (813868318).

The spelling of 712731101 in words is "seven hundred twelve million, seven hundred thirty-one thousand, one hundred one".