30011001001 has 4 divisors (see below), whose sum is σ = 30209749504. Its totient is φ = 29812252500.

The previous prime is 30011000989. The next prime is 30011001037. The reversal of 30011001001 is 10010011003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30011001001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30011001401) 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 in 3 ways as a sum of consecutive naturals, for example, 99374025 + ... + 99374326.

It is an arithmetic number, because the mean of its divisors is an integer number (7552437376).

Almost surely, 2^30011001001 is an apocalyptic number.

It is an amenable number.

30011001001 is a deficient number, since it is larger than the sum of its proper divisors (198748503).

30011001001 is a wasteful number, since it uses less digits than its factorization.

30011001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198748502.

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 30011001001 its reverse (10010011003), we get a palindrome (40021012004).

The spelling of 30011001001 in words is "thirty billion, eleven million, one thousand, one".