30220120131 has 4 divisors (see below), whose sum is σ = 40293493512. Its totient is φ = 20146746752.

The previous prime is 30220120097. The next prime is 30220120153. The reversal of 30220120131 is 13102102203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13102102203 = 3 ⋅4367367401.

It is a cyclic number.

It is not a de Polignac number, because 30220120131 - 2⁹ = 30220119619 is a prime.

It is a super-2 number, since 2×30220120131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30220120131.

It is not an unprimeable number, because it can be changed into a prime (30220120171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5036686686 + ... + 5036686691.

It is an arithmetic number, because the mean of its divisors is an integer number (10073373378).

Almost surely, 2^30220120131 is an apocalyptic number.

30220120131 is a deficient number, since it is larger than the sum of its proper divisors (10073373381).

30220120131 is a wasteful number, since it uses less digits than its factorization.

30220120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10073373380.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30220120131 its reverse (13102102203), we get a palindrome (43322222334).

The spelling of 30220120131 in words is "thirty billion, two hundred twenty million, one hundred twenty thousand, one hundred thirty-one".