124321123200031 has 4 divisors (see below), whose sum is σ = 124335450870712. Its totient is φ = 124306795529352.

The previous prime is 124321123200023. The next prime is 124321123200067. The reversal of 124321123200031 is 130002321123421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124321123200031 - 2³ = 124321123200023 is a prime.

It is a super-2 number, since 2×124321123200031² (a number of 29 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 = 124321123199969 and 124321123200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124321123206031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7163822325 + ... + 7163839678.

It is an arithmetic number, because the mean of its divisors is an integer number (31083862717678).

Almost surely, 2^{124321123200031} is an apocalyptic number.

124321123200031 is a deficient number, since it is larger than the sum of its proper divisors (14327670681).

124321123200031 is an equidigital number, since it uses as much as digits as its factorization.

124321123200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14327670680.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 124321123200031 its reverse (130002321123421), we get a palindrome (254323444323452).

The spelling of 124321123200031 in words is "one hundred twenty-four trillion, three hundred twenty-one billion, one hundred twenty-three million, two hundred thousand, thirty-one".