9131030101 has 2 divisors, whose sum is σ = 9131030102. Its totient is φ = 9131030100.

The previous prime is 9131030081. The next prime is 9131030131. The reversal of 9131030101 is 1010301319.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5296200625 + 3834829476 = 72775^2 + 61926^2 .

It is an emirp because it is prime and its reverse (1010301319) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9131030101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9131030131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4565515050 + 4565515051.

It is an arithmetic number, because the mean of its divisors is an integer number (4565515051).

Almost surely, 2^9131030101 is an apocalyptic number.

It is an amenable number.

9131030101 is a deficient number, since it is larger than the sum of its proper divisors (1).

9131030101 is an equidigital number, since it uses as much as digits as its factorization.

9131030101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 9131030101 is about 95556.4236511602. The cubic root of 9131030101 is about 2090.1298043660.

The spelling of 9131030101 in words is "nine billion, one hundred thirty-one million, thirty thousand, one hundred one".