30991002701 has 2 divisors, whose sum is σ = 30991002702. Its totient is φ = 30991002700.

The previous prime is 30991002697. The next prime is 30991002727. The reversal of 30991002701 is 10720019903.

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., 28299987076 + 2691015625 = 168226^2 + 51875^2 .

It is a cyclic number.

It is not a de Polignac number, because 30991002701 - 2² = 30991002697 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30991002761) 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, 15495501350 + 15495501351.

It is an arithmetic number, because the mean of its divisors is an integer number (15495501351).

Almost surely, 2^30991002701 is an apocalyptic number.

It is an amenable number.

30991002701 is a deficient number, since it is larger than the sum of its proper divisors (1).

30991002701 is an equidigital number, since it uses as much as digits as its factorization.

30991002701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The spelling of 30991002701 in words is "thirty billion, nine hundred ninety-one million, two thousand, seven hundred one".