210124204031 has 8 divisors (see below), whose sum is σ = 240469568544. Its totient is φ = 179860744800.

The previous prime is 210124204009. The next prime is 210124204039. The reversal of 210124204031 is 130402421012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210124204031 is a prime.

It is a super-2 number, since 2×210124204031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210124203994 and 210124204012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210124204039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20470820 + ... + 20481081.

It is an arithmetic number, because the mean of its divisors is an integer number (30058696068).

Almost surely, 2^210124204031 is an apocalyptic number.

210124204031 is a deficient number, since it is larger than the sum of its proper divisors (30345364513).

210124204031 is an equidigital number, since it uses as much as digits as its factorization.

210124204031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40952641.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210124204031 its reverse (130402421012), we get a palindrome (340526625043).

The spelling of 210124204031 in words is "two hundred ten billion, one hundred twenty-four million, two hundred four thousand, thirty-one".