31322132202012 has 24 divisors (see below), whose sum is σ = 73808588756112. Its totient is φ = 10337337360000.

The previous prime is 31322132201963. The next prime is 31322132202017. The reversal of 31322132202012 is 21020223122313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322132202017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12921670489 + ... + 12921672912.

It is an arithmetic number, because the mean of its divisors is an integer number (3075357864838).

Almost surely, 2^{31322132202012} is an apocalyptic number.

It is an amenable number.

31322132202012 is an abundant number, since it is smaller than the sum of its proper divisors (42486456554100).

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

31322132202012 is a wasteful number, since it uses less digits than its factorization.

31322132202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25843343509 (or 25843343507 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31322132202012 its reverse (21020223122313), we get a palindrome (52342355324325).

The spelling of 31322132202012 in words is "thirty-one trillion, three hundred twenty-two billion, one hundred thirty-two million, two hundred two thousand, twelve".