31332102123213 has 24 divisors (see below), whose sum is σ = 46009361676096. Its totient is φ = 20542513488000.

The previous prime is 31332102123191. The next prime is 31332102123221. The reversal of 31332102123213 is 31232120123313.

31332102123213 is a `hidden beast` number, since 3 + 1 + 3 + 321 + 0 + 2 + 12 + 321 + 3 = 666.

It is not a de Polignac number, because 31332102123213 - 2¹⁶ = 31332102057677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31332102125213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60882195 + ... + 61394672.

It is an arithmetic number, because the mean of its divisors is an integer number (1917056736504).

Almost surely, 2^{31332102123213} is an apocalyptic number.

It is an amenable number.

31332102123213 is a deficient number, since it is larger than the sum of its proper divisors (14677259552883).

31332102123213 is a wasteful number, since it uses less digits than its factorization.

31332102123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122277345 (or 122277342 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 31332102123213 its reverse (31232120123313), we get a palindrome (62564222246526).

The spelling of 31332102123213 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred two million, one hundred twenty-three thousand, two hundred thirteen".