30220313131 has 4 divisors (see below), whose sum is σ = 30502746072. Its totient is φ = 29937880192.

The previous prime is 30220313129. The next prime is 30220313159. The reversal of 30220313131 is 13131302203.

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

It is a cyclic number.

It is not a de Polignac number, because 30220313131 - 2¹ = 30220313129 is a prime.

It is a super-2 number, since 2×30220313131² (a number of 22 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 = 30220313099 and 30220313108.

It is not an unprimeable number, because it can be changed into a prime (30220313171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141216310 + ... + 141216523.

It is an arithmetic number, because the mean of its divisors is an integer number (7625686518).

Almost surely, 2^30220313131 is an apocalyptic number.

30220313131 is a deficient number, since it is larger than the sum of its proper divisors (282432941).

30220313131 is a wasteful number, since it uses less digits than its factorization.

30220313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282432940.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30220313131 its reverse (13131302203), we get a palindrome (43351615334).

The spelling of 30220313131 in words is "thirty billion, two hundred twenty million, three hundred thirteen thousand, one hundred thirty-one".