124403430131 has 2 divisors, whose sum is σ = 124403430132. Its totient is φ = 124403430130.

The previous prime is 124403430043. The next prime is 124403430139. The reversal of 124403430131 is 131034304421.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (131034304421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124403430131 is a prime.

It is a super-2 number, since 2×124403430131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124403430131.

It is not a weakly prime, because it can be changed into another prime (124403430139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62201715065 + 62201715066.

It is an arithmetic number, because the mean of its divisors is an integer number (62201715066).

Almost surely, 2^124403430131 is an apocalyptic number.

124403430131 is a deficient number, since it is larger than the sum of its proper divisors (1).

124403430131 is an equidigital number, since it uses as much as digits as its factorization.

124403430131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 124403430131 its reverse (131034304421), we get a palindrome (255437734552).

The spelling of 124403430131 in words is "one hundred twenty-four billion, four hundred three million, four hundred thirty thousand, one hundred thirty-one".