31133133320032 has 24 divisors (see below), whose sum is σ = 61531851789576. Its totient is φ = 15505996357632.

The previous prime is 31133133319999. The next prime is 31133133320183. The reversal of 31133133320032 is 23002333133113.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1892813598 + ... + 1892830045.

It is an arithmetic number, because the mean of its divisors is an integer number (2563827157899).

Almost surely, 2^{31133133320032} is an apocalyptic number.

31133133320032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31133133320032 is a deficient number, since it is larger than the sum of its proper divisors (30398718469544).

31133133320032 is a wasteful number, since it uses less digits than its factorization.

31133133320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785643910 (or 3785643902 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 31133133320032 its reverse (23002333133113), we get a palindrome (54135466453145).

The spelling of 31133133320032 in words is "thirty-one trillion, one hundred thirty-three billion, one hundred thirty-three million, three hundred twenty thousand, thirty-two".