31332100031212 has 24 divisors (see below), whose sum is σ = 55998076478400. Its totient is φ = 15332652950400.

The previous prime is 31332100031207. The next prime is 31332100031233. The reversal of 31332100031212 is 21213000123313.

It is a super-2 number, since 2×31332100031212² (a number of 28 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 61674414 + ... + 62180362.

It is an arithmetic number, because the mean of its divisors is an integer number (2333253186600).

Almost surely, 2^{31332100031212} is an apocalyptic number.

It is an amenable number.

31332100031212 is a deficient number, since it is larger than the sum of its proper divisors (24665976447188).

31332100031212 is a wasteful number, since it uses less digits than its factorization.

31332100031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835401 (or 835399 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31332100031212 its reverse (21213000123313), we get a palindrome (52545100154525).

The spelling of 31332100031212 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred million, thirty-one thousand, two hundred twelve".