133431424412 has 96 divisors (see below), whose sum is σ = 291627302400. Its totient is φ = 52513056000.

The previous prime is 133431424403. The next prime is 133431424421. The reversal of 133431424412 is 214424134331.

It is an interprime number because it is at equal distance from previous prime (133431424403) and next prime (133431424421).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1036889 + ... + 1158447.

It is an arithmetic number, because the mean of its divisors is an integer number (3037784400).

Almost surely, 2^133431424412 is an apocalyptic number.

It is an amenable number.

133431424412 is an abundant number, since it is smaller than the sum of its proper divisors (158195877988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133431424412 is a wasteful number, since it uses less digits than its factorization.

133431424412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121707 (or 121705 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

Adding to 133431424412 its reverse (214424134331), we get a palindrome (347855558743).

The spelling of 133431424412 in words is "one hundred thirty-three billion, four hundred thirty-one million, four hundred twenty-four thousand, four hundred twelve".