30310211021131 has 12 divisors (see below), whose sum is σ = 31154894386560. Its totient is φ = 29487846529440.

The previous prime is 30310211021093. The next prime is 30310211021161. The reversal of 30310211021131 is 13112011201303.

It is not a de Polignac number, because 30310211021131 - 2²⁹ = 30309674150219 is a prime.

It is a super-2 number, since 2×30310211021131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30310211021099 and 30310211021108.

It is not an unprimeable number, because it can be changed into a prime (30310211021161) 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, 11602710 + ... + 13972948.

It is an arithmetic number, because the mean of its divisors is an integer number (2596241198880).

Almost surely, 2^{30310211021131} is an apocalyptic number.

30310211021131 is a deficient number, since it is larger than the sum of its proper divisors (844683365429).

30310211021131 is an equidigital number, since it uses as much as digits as its factorization.

30310211021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379654 (or 2379617 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 30310211021131 its reverse (13112011201303), we get a palindrome (43422222222434).

The spelling of 30310211021131 in words is "thirty trillion, three hundred ten billion, two hundred eleven million, twenty-one thousand, one hundred thirty-one".