949311101 has 2 divisors, whose sum is σ = 949311102. Its totient is φ = 949311100.

The previous prime is 949311071. The next prime is 949311137. The reversal of 949311101 is 101113949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 749116900 + 200194201 = 27370^2 + 14149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-949311101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949311151) 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, 474655550 + 474655551.

It is an arithmetic number, because the mean of its divisors is an integer number (474655551).

Almost surely, 2^949311101 is an apocalyptic number.

It is an amenable number.

949311101 is a deficient number, since it is larger than the sum of its proper divisors (1).

949311101 is an equidigital number, since it uses as much as digits as its factorization.

949311101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 949311101 is about 30810.8925706478. The cubic root of 949311101 is about 982.8098938064.

The spelling of 949311101 in words is "nine hundred forty-nine million, three hundred eleven thousand, one hundred one".