33131213031132 has 60 divisors (see below), whose sum is σ = 86626877703520. Its totient is φ = 11041781385024.

The previous prime is 33131213031131. The next prime is 33131213031211. The reversal of 33131213031132 is 23113031213133.

33131213031132 is a `hidden beast` number, since 3 + 3 + 1 + 312 + 1 + 3 + 0 + 311 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 33131213031096 and 33131213031105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33131213031131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7224457 + ... + 10883712.

Almost surely, 2^{33131213031132} is an apocalyptic number.

It is an amenable number.

33131213031132 is an abundant number, since it is smaller than the sum of its proper divisors (53495664672388).

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

33131213031132 is a wasteful number, since it uses less digits than its factorization.

33131213031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18113832 (or 18113821 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 33131213031132 its reverse (23113031213133), we get a palindrome (56244244244265).

The spelling of 33131213031132 in words is "thirty-three trillion, one hundred thirty-one billion, two hundred thirteen million, thirty-one thousand, one hundred thirty-two".