213143342044 has 24 divisors (see below), whose sum is σ = 398269872000. Its totient is φ = 99567464304.

The previous prime is 213143342039. The next prime is 213143342047. The reversal of 213143342044 is 440243341312.

It is a super-3 number, since 3×213143342044³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213143341997 and 213143342015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213143342047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26935294 + ... + 26943205.

It is an arithmetic number, because the mean of its divisors is an integer number (16594578000).

Almost surely, 2^213143342044 is an apocalyptic number.

It is an amenable number.

213143342044 is a deficient number, since it is larger than the sum of its proper divisors (185126529956).

213143342044 is a wasteful number, since it uses less digits than its factorization.

213143342044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53878569 (or 53878567 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 213143342044 its reverse (440243341312), we get a palindrome (653386683356).

The spelling of 213143342044 in words is "two hundred thirteen billion, one hundred forty-three million, three hundred forty-two thousand, forty-four".