220113130001231 has 4 divisors (see below), whose sum is σ = 233060961177792. Its totient is φ = 207165298824672.

The previous prime is 220113130001179. The next prime is 220113130001243. The reversal of 220113130001231 is 132100031311022.

It is a happy number.

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 220113130001231 - 2³⁸ = 219838252094287 is a prime.

It is a super-2 number, since 2×220113130001231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220113130007231) 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, 6473915588255 + ... + 6473915588288.

It is an arithmetic number, because the mean of its divisors is an integer number (58265240294448).

Almost surely, 2^{220113130001231} is an apocalyptic number.

220113130001231 is a deficient number, since it is larger than the sum of its proper divisors (12947831176561).

220113130001231 is a wasteful number, since it uses less digits than its factorization.

220113130001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12947831176560.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 220113130001231 its reverse (132100031311022), we get a palindrome (352213161312253).

The spelling of 220113130001231 in words is "two hundred twenty trillion, one hundred thirteen billion, one hundred thirty million, one thousand, two hundred thirty-one".