31133035524412 has 12 divisors (see below), whose sum is σ = 54483065455000. Its totient is φ = 15566445394416.

The previous prime is 31133035524403. The next prime is 31133035524419. The reversal of 31133035524412 is 21442553033113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133035524419) 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, 17118162 + ... + 18849337.

Almost surely, 2^{31133035524412} is an apocalyptic number.

It is an amenable number.

31133035524412 is a deficient number, since it is larger than the sum of its proper divisors (23350029930588).

31133035524412 is a wasteful number, since it uses less digits than its factorization.

31133035524412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36183900 (or 36183898 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 31133035524412 its reverse (21442553033113), we get a palindrome (52575588557525).

The spelling of 31133035524412 in words is "thirty-one trillion, one hundred thirty-three billion, thirty-five million, five hundred twenty-four thousand, four hundred twelve".