213442303124 has 24 divisors (see below), whose sum is σ = 374538416448. Its totient is φ = 106431549120.

The previous prime is 213442303069. The next prime is 213442303127. The reversal of 213442303124 is 421303244312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213442303127) 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, 4015529 + ... + 4068335.

It is an arithmetic number, because the mean of its divisors is an integer number (15605767352).

Almost surely, 2^213442303124 is an apocalyptic number.

It is an amenable number.

213442303124 is a deficient number, since it is larger than the sum of its proper divisors (161096113324).

213442303124 is a wasteful number, since it uses less digits than its factorization.

213442303124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55535 (or 55533 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 213442303124 its reverse (421303244312), we get a palindrome (634745547436).

The spelling of 213442303124 in words is "two hundred thirteen billion, four hundred forty-two million, three hundred three thousand, one hundred twenty-four".