124341221431 has 4 divisors (see below), whose sum is σ = 142104253072. Its totient is φ = 106578189792.

The previous prime is 124341221401. The next prime is 124341221453. The reversal of 124341221431 is 134122143421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134122143421 = 7 ⋅19160306203.

It is a cyclic number.

It is not a de Polignac number, because 124341221431 - 2¹¹ = 124341219383 is a prime.

It is a super-2 number, since 2×124341221431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124341221431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124341221401) 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, 8881515810 + ... + 8881515823.

It is an arithmetic number, because the mean of its divisors is an integer number (35526063268).

Almost surely, 2^124341221431 is an apocalyptic number.

124341221431 is a deficient number, since it is larger than the sum of its proper divisors (17763031641).

124341221431 is an equidigital number, since it uses as much as digits as its factorization.

124341221431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17763031640.

The product of its digits is 4608, while the sum is 28.

Adding to 124341221431 its reverse (134122143421), we get a palindrome (258463364852).

The spelling of 124341221431 in words is "one hundred twenty-four billion, three hundred forty-one million, two hundred twenty-one thousand, four hundred thirty-one".