30311211001 has 12 divisors (see below), whose sum is σ = 31494900240. Its totient is φ = 29163347720.

The previous prime is 30311210983. The next prime is 30311211013. The reversal of 30311211001 is 10011211303.

It is a de Polignac number, because none of the positive numbers 2^k-30311211001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30311214001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14046 + ... + 246616.

It is an arithmetic number, because the mean of its divisors is an integer number (2624575020).

Almost surely, 2^30311211001 is an apocalyptic number.

It is an amenable number.

30311211001 is a deficient number, since it is larger than the sum of its proper divisors (1183689239).

30311211001 is an equidigital number, since it uses as much as digits as its factorization.

30311211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232724 (or 232677 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 30311211001 its reverse (10011211303), we get a palindrome (40322422304).

The spelling of 30311211001 in words is "thirty billion, three hundred eleven million, two hundred eleven thousand, one".