12431331154 has 48 divisors (see below), whose sum is σ = 21226688280. Its totient is φ = 5452761600.

The previous prime is 12431331131. The next prime is 12431331193. The reversal of 12431331154 is 45113313421.

It can be written as a sum of positive squares in 4 ways, for example, as 6910098129 + 5521233025 = 83127^2 + 74305^2 .

It is a super-3 number, since 3×12431331154³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 774442 + ... + 790330.

Almost surely, 2^12431331154 is an apocalyptic number.

12431331154 is a deficient number, since it is larger than the sum of its proper divisors (8795357126).

12431331154 is a wasteful number, since it uses less digits than its factorization.

12431331154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16027 (or 16016 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

Adding to 12431331154 its reverse (45113313421), we get a palindrome (57544644575).

The spelling of 12431331154 in words is "twelve billion, four hundred thirty-one million, three hundred thirty-one thousand, one hundred fifty-four".