213343144300550 has 48 divisors (see below), whose sum is σ = 434577042043632. Its totient is φ = 77277460070400.

The previous prime is 213343144300543. The next prime is 213343144300553. The reversal of 213343144300550 is 55003441343312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213343144300553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 754521347 + ... + 754804046.

It is an arithmetic number, because the mean of its divisors is an integer number (9053688375909).

Almost surely, 2^{213343144300550} is an apocalyptic number.

213343144300550 is an abundant number, since it is smaller than the sum of its proper divisors (221233897743082).

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

213343144300550 is a wasteful number, since it uses less digits than its factorization.

213343144300550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509325673 (or 1509325668 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 213343144300550 its reverse (55003441343312), we get a palindrome (268346585643862).

The spelling of 213343144300550 in words is "two hundred thirteen trillion, three hundred forty-three billion, one hundred forty-four million, three hundred thousand, five hundred fifty".