21312311003013 has 8 divisors (see below), whose sum is σ = 29333073208576. Its totient is φ = 13749878066400.

The previous prime is 21312311002973. The next prime is 21312311003017. The reversal of 21312311003013 is 31030011321312.

It is a happy number.

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

It is not a de Polignac number, because 21312311003013 - 2⁶ = 21312311002949 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 (21312311003017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114582317128 + ... + 114582317313.

It is an arithmetic number, because the mean of its divisors is an integer number (3666634151072).

Almost surely, 2^{21312311003013} is an apocalyptic number.

It is an amenable number.

21312311003013 is a deficient number, since it is larger than the sum of its proper divisors (8020762205563).

21312311003013 is a wasteful number, since it uses less digits than its factorization.

21312311003013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229164634475.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21312311003013 its reverse (31030011321312), we get a palindrome (52342322324325).

The spelling of 21312311003013 in words is "twenty-one trillion, three hundred twelve billion, three hundred eleven million, three thousand, thirteen".