213343542315453 has 32 divisors (see below), whose sum is σ = 329884562188800. Its totient is φ = 121281088968000.

The previous prime is 213343542315439. The next prime is 213343542315473. The reversal of 213343542315453 is 354513245343312.

It is a de Polignac number, because none of the positive numbers 2^k-213343542315453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213343542315473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1684396243 + ... + 1684522896.

It is an arithmetic number, because the mean of its divisors is an integer number (10308892568400).

Almost surely, 2^{213343542315453} is an apocalyptic number.

It is an amenable number.

213343542315453 is a deficient number, since it is larger than the sum of its proper divisors (116541019873347).

213343542315453 is a wasteful number, since it uses less digits than its factorization.

213343542315453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368919273.

The product of its digits is 7776000, while the sum is 48.

Adding to 213343542315453 its reverse (354513245343312), we get a palindrome (567856787658765).

The spelling of 213343542315453 in words is "two hundred thirteen trillion, three hundred forty-three billion, five hundred forty-two million, three hundred fifteen thousand, four hundred fifty-three".