1103030971949 has 2 divisors, whose sum is σ = 1103030971950. Its totient is φ = 1103030971948.

The previous prime is 1103030971937. The next prime is 1103030971963. The reversal of 1103030971949 is 9491790303011.

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., 992777089924 + 110253882025 = 996382^2 + 332045^2 .

It is an emirp because it is prime and its reverse (9491790303011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103030971949 - 2³⁶ = 1034311495213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103030971969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551515485974 + 551515485975.

It is an arithmetic number, because the mean of its divisors is an integer number (551515485975).

Almost surely, 2^{1103030971949} is an apocalyptic number.

It is an amenable number.

1103030971949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103030971949 is an equidigital number, since it uses as much as digits as its factorization.

1103030971949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 47.

The spelling of 1103030971949 in words is "one trillion, one hundred three billion, thirty million, nine hundred seventy-one thousand, nine hundred forty-nine".