213113314340 has 12 divisors (see below), whose sum is σ = 447537960156. Its totient is φ = 85245325728.

The previous prime is 213113314303. The next prime is 213113314387. The reversal of 213113314340 is 43413311312.

It can be written as a sum of positive squares in 2 ways, for example, as 141695027776 + 71418286564 = 376424^2 + 267242^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5327832839 + ... + 5327832878.

It is an arithmetic number, because the mean of its divisors is an integer number (37294830013).

Almost surely, 2^213113314340 is an apocalyptic number.

213113314340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213113314340 is an abundant number, since it is smaller than the sum of its proper divisors (234424645816).

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

213113314340 is a wasteful number, since it uses less digits than its factorization.

213113314340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655665726 (or 10655665724 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 213113314340 its reverse (43413311312), we get a palindrome (256526625652).

The spelling of 213113314340 in words is "two hundred thirteen billion, one hundred thirteen million, three hundred fourteen thousand, three hundred forty".