230201220131 has 4 divisors (see below), whose sum is σ = 243742468392. Its totient is φ = 216659971872.

The previous prime is 230201220113. The next prime is 230201220133. The reversal of 230201220131 is 131022102032.

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 230201220131 - 2¹⁰ = 230201219107 is a prime.

It is a super-2 number, since 2×230201220131² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 13541248243 = 230201220131 / (2 + 3 + 0 + 2 + 0 + 1 + 2 + 2 + 0 + 1 + 3 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230201220133) 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, 6770624105 + ... + 6770624138.

It is an arithmetic number, because the mean of its divisors is an integer number (60935617098).

Almost surely, 2^230201220131 is an apocalyptic number.

230201220131 is a deficient number, since it is larger than the sum of its proper divisors (13541248261).

230201220131 is a wasteful number, since it uses less digits than its factorization.

230201220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13541248260.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 230201220131 its reverse (131022102032), we get a palindrome (361223322163).

The spelling of 230201220131 in words is "two hundred thirty billion, two hundred one million, two hundred twenty thousand, one hundred thirty-one".