31322003121232 has 20 divisors (see below), whose sum is σ = 60692279547060. Its totient is φ = 15659479367168.

The previous prime is 31322003121187. The next prime is 31322003121239. The reversal of 31322003121232 is 23212130022313.

It can be written as a sum of positive squares in 2 ways, for example, as 12212900132416 + 19109102988816 = 3494696^2 + 4371396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31322003121197 and 31322003121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322003121239) 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 3 ways as a sum of consecutive naturals, for example, 94967323 + ... + 95296570.

It is an arithmetic number, because the mean of its divisors is an integer number (3034613977353).

Almost surely, 2^{31322003121232} is an apocalyptic number.

It is an amenable number.

31322003121232 is a deficient number, since it is larger than the sum of its proper divisors (29370276425828).

31322003121232 is a wasteful number, since it uses less digits than its factorization.

31322003121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190274190 (or 190274184 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31322003121232 its reverse (23212130022313), we get a palindrome (54534133143545).

The spelling of 31322003121232 in words is "thirty-one trillion, three hundred twenty-two billion, three million, one hundred twenty-one thousand, two hundred thirty-two".