31033231230132 has 72 divisors (see below), whose sum is σ = 78816718955520. Its totient is φ = 10295430690240.

The previous prime is 31033231230097. The next prime is 31033231230137. The reversal of 31033231230132 is 23103213233013.

31033231230132 is a `hidden beast` number, since 3 + 1 + 0 + 3 + 323 + 1 + 2 + 301 + 32 = 666.

It is a super-2 number, since 2×31033231230132² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31033231230096 and 31033231230105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31033231230137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31539157 + ... + 32508227.

It is an arithmetic number, because the mean of its divisors is an integer number (1094676652160).

Almost surely, 2^{31033231230132} is an apocalyptic number.

It is an amenable number.

31033231230132 is an abundant number, since it is smaller than the sum of its proper divisors (47783487725388).

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

31033231230132 is a wasteful number, since it uses less digits than its factorization.

31033231230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973293 (or 973288 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 31033231230132 its reverse (23103213233013), we get a palindrome (54136444463145).

The spelling of 31033231230132 in words is "thirty-one trillion, thirty-three billion, two hundred thirty-one million, two hundred thirty thousand, one hundred thirty-two".