20130223141331 has 4 divisors (see below), whose sum is σ = 20598367865592. Its totient is φ = 19662078417072.

The previous prime is 20130223141321. The next prime is 20130223141339. The reversal of 20130223141331 is 13314132203102.

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 20130223141331 - 2¹⁸ = 20130222879187 is a prime.

It is a super-2 number, since 2×20130223141331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20130223141331.

It is not an unprimeable number, because it can be changed into a prime (20130223141339) 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, 234072362066 + ... + 234072362151.

It is an arithmetic number, because the mean of its divisors is an integer number (5149591966398).

Almost surely, 2^{20130223141331} is an apocalyptic number.

20130223141331 is a deficient number, since it is larger than the sum of its proper divisors (468144724261).

20130223141331 is an equidigital number, since it uses as much as digits as its factorization.

20130223141331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468144724260.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20130223141331 its reverse (13314132203102), we get a palindrome (33444355344433).

The spelling of 20130223141331 in words is "twenty trillion, one hundred thirty billion, two hundred twenty-three million, one hundred forty-one thousand, three hundred thirty-one".