124213304531331 has 24 divisors (see below), whose sum is σ = 180492720286320. Its totient is φ = 82314796739136.

The previous prime is 124213304531297. The next prime is 124213304531333. The reversal of 124213304531331 is 133135403312421.

124213304531331 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 1 + 3 + 304 + 5 + 313 + 31 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-124213304531331 is a prime.

It is a super-2 number, since 2×124213304531331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124213304531333) 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 23 ways as a sum of consecutive naturals, for example, 56835636 + ... + 58980641.

It is an arithmetic number, because the mean of its divisors is an integer number (7520530011930).

Almost surely, 2^{124213304531331} is an apocalyptic number.

124213304531331 is a deficient number, since it is larger than the sum of its proper divisors (56279415754989).

124213304531331 is a wasteful number, since it uses less digits than its factorization.

124213304531331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115816995 (or 115816992 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 124213304531331 its reverse (133135403312421), we get a palindrome (257348707843752).

The spelling of 124213304531331 in words is "one hundred twenty-four trillion, two hundred thirteen billion, three hundred four million, five hundred thirty-one thousand, three hundred thirty-one".