30111011001 has 12 divisors (see below), whose sum is σ = 43574084580. Its totient is φ = 20036898720.

The previous prime is 30111010973. The next prime is 30111011011. The reversal of 30111011001 is 10011011103.

It can be written as a sum of positive squares in 2 ways, for example, as 6418413225 + 23692597776 = 80115^2 + 153924^2 .

It is not a de Polignac number, because 30111011001 - 2¹¹ = 30111008953 is a prime.

It is a super-4 number, since 4×30111011001⁴ (a number of 43 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (30111011011) 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, 3087246 + ... + 3096983.

It is an arithmetic number, because the mean of its divisors is an integer number (3631173715).

Almost surely, 2^30111011001 is an apocalyptic number.

It is an amenable number.

30111011001 is a deficient number, since it is larger than the sum of its proper divisors (13463073579).

30111011001 is a wasteful number, since it uses less digits than its factorization.

30111011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184776 (or 6184773 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

Adding to 30111011001 its reverse (10011011103), we get a palindrome (40122022104).

The spelling of 30111011001 in words is "thirty billion, one hundred eleven million, eleven thousand, one".