210442131324 has 30 divisors (see below), whose sum is σ = 550137300944. Its totient is φ = 70147377000.

The previous prime is 210442131307. The next prime is 210442131343. The reversal of 210442131324 is 423131244012.

210442131324 is a `hidden beast` number, since 2 + 104 + 421 + 3 + 132 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 324756052 + ... + 324756699.

Almost surely, 2^210442131324 is an apocalyptic number.

It is an amenable number.

210442131324 is an abundant number, since it is smaller than the sum of its proper divisors (339695169620).

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

210442131324 is a wasteful number, since it uses less digits than its factorization.

210442131324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649512767 (or 649512756 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 210442131324 its reverse (423131244012), we get a palindrome (633573375336).

The spelling of 210442131324 in words is "two hundred ten billion, four hundred forty-two million, one hundred thirty-one thousand, three hundred twenty-four".