30230220131 has 16 divisors (see below), whose sum is σ = 34110802944. Its totient is φ = 26635872384.

The previous prime is 30230220127. The next prime is 30230220157. The reversal of 30230220131 is 13102203203.

It is not a de Polignac number, because 30230220131 - 2² = 30230220127 is a prime.

It is a super-2 number, since 2×30230220131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30230220101) 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, 804125 + ... + 840878.

It is an arithmetic number, because the mean of its divisors is an integer number (2131925184).

Almost surely, 2^30230220131 is an apocalyptic number.

30230220131 is a deficient number, since it is larger than the sum of its proper divisors (3880582813).

30230220131 is a wasteful number, since it uses less digits than its factorization.

30230220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645090.

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

Adding to 30230220131 its reverse (13102203203), we get a palindrome (43332423334).

The spelling of 30230220131 in words is "thirty billion, two hundred thirty million, two hundred twenty thousand, one hundred thirty-one".