21310132310131 has 8 divisors (see below), whose sum is σ = 24361928319744. Its totient is φ = 18260209149000.

The previous prime is 21310132310123. The next prime is 21310132310141. The reversal of 21310132310131 is 13101323101312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21310132310131 - 2³ = 21310132310123 is a prime.

It is a super-2 number, since 2×21310132310131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21310132310101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468187735 + ... + 468233248.

It is an arithmetic number, because the mean of its divisors is an integer number (3045241039968).

Almost surely, 2^{21310132310131} is an apocalyptic number.

21310132310131 is a deficient number, since it is larger than the sum of its proper divisors (3051796009613).

21310132310131 is an equidigital number, since it uses as much as digits as its factorization.

21310132310131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936424241.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 21310132310131 its reverse (13101323101312), we get a palindrome (34411455411443).

It can be divided in two parts, 2 and 1310132310131, that multiplied together give a palindrome (2620264620262).

The spelling of 21310132310131 in words is "twenty-one trillion, three hundred ten billion, one hundred thirty-two million, three hundred ten thousand, one hundred thirty-one".