23010220131311 has 4 divisors (see below), whose sum is σ = 26297394435792. Its totient is φ = 19723045826832.

The previous prime is 23010220131307. The next prime is 23010220131317. The reversal of 23010220131311 is 11313102201032.

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 23010220131311 - 2² = 23010220131307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23010220131317) 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, 1643587152230 + ... + 1643587152243.

It is an arithmetic number, because the mean of its divisors is an integer number (6574348608948).

Almost surely, 2^{23010220131311} is an apocalyptic number.

23010220131311 is a deficient number, since it is larger than the sum of its proper divisors (3287174304481).

23010220131311 is an equidigital number, since it uses as much as digits as its factorization.

23010220131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287174304480.

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

Adding to 23010220131311 its reverse (11313102201032), we get a palindrome (34323322332343).

The spelling of 23010220131311 in words is "twenty-three trillion, ten billion, two hundred twenty million, one hundred thirty-one thousand, three hundred eleven".