124320003131 has 4 divisors (see below), whose sum is σ = 124322442264. Its totient is φ = 124317564000.

The previous prime is 124320003127. The next prime is 124320003139. The reversal of 124320003131 is 131300023421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131300023421 = 7 ⋅18757146203.

It is a cyclic number.

It is not a de Polignac number, because 124320003131 - 2² = 124320003127 is a prime.

It is a super-2 number, since 2×124320003131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124320003139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141445 + ... + 1245606.

It is an arithmetic number, because the mean of its divisors is an integer number (31080610566).

Almost surely, 2^124320003131 is an apocalyptic number.

124320003131 is a deficient number, since it is larger than the sum of its proper divisors (2439133).

124320003131 is an equidigital number, since it uses as much as digits as its factorization.

124320003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439132.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 124320003131 its reverse (131300023421), we get a palindrome (255620026552).

The spelling of 124320003131 in words is "one hundred twenty-four billion, three hundred twenty million, three thousand, one hundred thirty-one".