30032220131 has 4 divisors (see below), whose sum is σ = 30034974000. Its totient is φ = 30029466264.

The previous prime is 30032220079. The next prime is 30032220143. The reversal of 30032220131 is 13102223003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30032220131 is a prime.

It is a super-2 number, since 2×30032220131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30032220151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360511 + ... + 1382408.

It is an arithmetic number, because the mean of its divisors is an integer number (7508743500).

Almost surely, 2^30032220131 is an apocalyptic number.

30032220131 is a deficient number, since it is larger than the sum of its proper divisors (2753869).

30032220131 is a wasteful number, since it uses less digits than its factorization.

30032220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753868.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30032220131 its reverse (13102223003), we get a palindrome (43134443134).

The spelling of 30032220131 in words is "thirty billion, thirty-two million, two hundred twenty thousand, one hundred thirty-one".