30131332011 has 12 divisors (see below), whose sum is σ = 47479674840. Its totient is φ = 18261413280.

The previous prime is 30131332003. The next prime is 30131332057. The reversal of 30131332011 is 11023313103.

It is a happy number.

30131332011 is a `hidden beast` number, since 30 + 1 + 313 + 320 + 1 + 1 = 666.

It is not a de Polignac number, because 30131332011 - 2³ = 30131332003 is a prime.

It is a super-2 number, since 2×30131332011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30131332061) 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, 152178346 + ... + 152178543.

It is an arithmetic number, because the mean of its divisors is an integer number (3956639570).

Almost surely, 2^30131332011 is an apocalyptic number.

30131332011 is a deficient number, since it is larger than the sum of its proper divisors (17348342829).

30131332011 is a wasteful number, since it uses less digits than its factorization.

30131332011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304356906 (or 304356903 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30131332011 its reverse (11023313103), we get a palindrome (41154645114).

The spelling of 30131332011 in words is "thirty billion, one hundred thirty-one million, three hundred thirty-two thousand, eleven".