213113301002320 has 80 divisors (see below), whose sum is σ = 496975935982032. Its totient is φ = 84989486039040.

The previous prime is 213113301002297. The next prime is 213113301002347. The reversal of 213113301002320 is 23200103311312.

It can be written as a sum of positive squares in 8 ways, for example, as 14650460518464 + 198462840483856 = 3827592^2 + 14087684^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 213113301002291 and 213113301002300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167478880 + ... + 168746560.

Almost surely, 2^{213113301002320} is an apocalyptic number.

213113301002320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213113301002320 is an abundant number, since it is smaller than the sum of its proper divisors (283862634979712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213113301002320 is a wasteful number, since it uses less digits than its factorization.

213113301002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274000 (or 1273994 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213113301002320 its reverse (23200103311312), we get a palindrome (236313404313632).

The spelling of 213113301002320 in words is "two hundred thirteen trillion, one hundred thirteen billion, three hundred one million, two thousand, three hundred twenty".