30131211323 has 16 divisors (see below), whose sum is σ = 31714848000. Its totient is φ = 28584394272.

The previous prime is 30131211307. The next prime is 30131211343. The reversal of 30131211323 is 32311213103.

It is not a de Polignac number, because 30131211323 - 2⁴ = 30131211307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30131211295 and 30131211304.

It is not an unprimeable number, because it can be changed into a prime (30131211343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4820186 + ... + 4826432.

It is an arithmetic number, because the mean of its divisors is an integer number (1982178000).

Almost surely, 2^30131211323 is an apocalyptic number.

30131211323 is a deficient number, since it is larger than the sum of its proper divisors (1583636677).

30131211323 is a wasteful number, since it uses less digits than its factorization.

30131211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30131211323 its reverse (32311213103), we get a palindrome (62442424426).

The spelling of 30131211323 in words is "thirty billion, one hundred thirty-one million, two hundred eleven thousand, three hundred twenty-three".