30220020311131 has 16 divisors (see below), whose sum is σ = 34562972157120. Its totient is φ = 25883526936960.

The previous prime is 30220020311083. The next prime is 30220020311141. The reversal of 30220020311131 is 13111302002203.

It is not a de Polignac number, because 30220020311131 - 2⁹ = 30220020310619 is a prime.

It is a super-2 number, since 2×30220020311131² (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 = 30220020311099 and 30220020311108.

It is not an unprimeable number, because it can be changed into a prime (30220020311141) 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, 52402005 + ... + 52975561.

It is an arithmetic number, because the mean of its divisors is an integer number (2160185759820).

Almost surely, 2^{30220020311131} is an apocalyptic number.

30220020311131 is a deficient number, since it is larger than the sum of its proper divisors (4342951845989).

30220020311131 is a wasteful number, since it uses less digits than its factorization.

30220020311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579174.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30220020311131 its reverse (13111302002203), we get a palindrome (43331322313334).

The spelling of 30220020311131 in words is "thirty trillion, two hundred twenty billion, twenty million, three hundred eleven thousand, one hundred thirty-one".