31130012023332 has 24 divisors (see below), whose sum is σ = 72640435375872. Its totient is φ = 10376136295200.

The previous prime is 31130012023157. The next prime is 31130012023333. The reversal of 31130012023332 is 23332021003113.

It is not an unprimeable number, because it can be changed into a prime (31130012023333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66554644 + ... + 67020747.

It is an arithmetic number, because the mean of its divisors is an integer number (3026684807328).

Almost surely, 2^{31130012023332} is an apocalyptic number.

It is an amenable number.

31130012023332 is an abundant number, since it is smaller than the sum of its proper divisors (41510423352540).

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

31130012023332 is a wasteful number, since it uses less digits than its factorization.

31130012023332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133594819 (or 133594817 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31130012023332 its reverse (23332021003113), we get a palindrome (54462033026445).

The spelling of 31130012023332 in words is "thirty-one trillion, one hundred thirty billion, twelve million, twenty-three thousand, three hundred thirty-two".