21313320131103 has 64 divisors (see below), whose sum is σ = 39186539277312. Its totient is φ = 9943952532480.

The previous prime is 21313320131039. The next prime is 21313320131119. The reversal of 21313320131103 is 30113102331312.

It is not a de Polignac number, because 21313320131103 - 2⁶ = 21313320131039 is a prime.

It is a super-2 number, since 2×21313320131103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313320130103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95798926 + ... + 96021147.

It is an arithmetic number, because the mean of its divisors is an integer number (612289676208).

Almost surely, 2^{21313320131103} is an apocalyptic number.

21313320131103 is a deficient number, since it is larger than the sum of its proper divisors (17873219146209).

21313320131103 is a wasteful number, since it uses less digits than its factorization.

21313320131103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191820144.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 21313320131103 its reverse (30113102331312), we get a palindrome (51426422462415).

The spelling of 21313320131103 in words is "twenty-one trillion, three hundred thirteen billion, three hundred twenty million, one hundred thirty-one thousand, one hundred three".