21310113032331 has 8 divisors (see below), whose sum is σ = 28454016833424. Its totient is φ = 14186475626400.

The previous prime is 21310113032287. The next prime is 21310113032357. The reversal of 21310113032331 is 13323031101312.

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

It is not a de Polignac number, because 21310113032331 - 2⁷ = 21310113032203 is a prime.

It is a super-2 number, since 2×21310113032331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21310113032371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5066596336 + ... + 5066600541.

It is an arithmetic number, because the mean of its divisors is an integer number (3556752104178).

Almost surely, 2^{21310113032331} is an apocalyptic number.

21310113032331 is a deficient number, since it is larger than the sum of its proper divisors (7143903801093).

21310113032331 is a wasteful number, since it uses less digits than its factorization.

21310113032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133197581.

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

Adding to 21310113032331 its reverse (13323031101312), we get a palindrome (34633144133643).

The spelling of 21310113032331 in words is "twenty-one trillion, three hundred ten billion, one hundred thirteen million, thirty-two thousand, three hundred thirty-one".