230020133131 has 16 divisors (see below), whose sum is σ = 231409807200. Its totient is φ = 228636576000.

The previous prime is 230020133129. The next prime is 230020133137. The reversal of 230020133131 is 131331020032.

It is a cyclic number.

It is not a de Polignac number, because 230020133131 - 2¹ = 230020133129 is a prime.

It is a super-2 number, since 2×230020133131² (a number of 24 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 = 230020133099 and 230020133108.

It is not an unprimeable number, because it can be changed into a prime (230020133137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203737375 + ... + 203738503.

It is an arithmetic number, because the mean of its divisors is an integer number (14463112950).

Almost surely, 2^230020133131 is an apocalyptic number.

230020133131 is a deficient number, since it is larger than the sum of its proper divisors (1389674069).

230020133131 is a wasteful number, since it uses less digits than its factorization.

230020133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910.

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

Adding to 230020133131 its reverse (131331020032), we get a palindrome (361351153163).

It can be divided in two parts, 2300201 and 33131, that added together give a palindrome (2333332).

The spelling of 230020133131 in words is "two hundred thirty billion, twenty million, one hundred thirty-three thousand, one hundred thirty-one".