31433300412 has 24 divisors (see below), whose sum is σ = 73379569536. Its totient is φ = 10472737968.

The previous prime is 31433300387. The next prime is 31433300417. The reversal of 31433300412 is 21400333413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31433300417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602518 + ... + 652605.

It is an arithmetic number, because the mean of its divisors is an integer number (3057482064).

Almost surely, 2^31433300412 is an apocalyptic number.

It is an amenable number.

31433300412 is an abundant number, since it is smaller than the sum of its proper divisors (41946269124).

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

31433300412 is a wasteful number, since it uses less digits than its factorization.

31433300412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257217 (or 1257215 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31433300412 its reverse (21400333413), we get a palindrome (52833633825).

The spelling of 31433300412 in words is "thirty-one billion, four hundred thirty-three million, three hundred thousand, four hundred twelve".