201310331400021 has 8 divisors (see below), whose sum is σ = 268415641327680. Its totient is φ = 134205954536192.

The previous prime is 201310331400011. The next prime is 201310331400023. The reversal of 201310331400021 is 120004133013102.

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

It is a cyclic number.

It is not a de Polignac number, because 201310331400021 - 2²² = 201310327205717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201310331400023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232762380 + ... + 233625653.

It is an arithmetic number, because the mean of its divisors is an integer number (33551955165960).

Almost surely, 2^{201310331400021} is an apocalyptic number.

It is an amenable number.

201310331400021 is a deficient number, since it is larger than the sum of its proper divisors (67105309927659).

201310331400021 is a wasteful number, since it uses less digits than its factorization.

201310331400021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466531915.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201310331400021 its reverse (120004133013102), we get a palindrome (321314464413123).

The spelling of 201310331400021 in words is "two hundred one trillion, three hundred ten billion, three hundred thirty-one million, four hundred thousand, twenty-one".