31332023312313 has 16 divisors (see below), whose sum is σ = 42900600427776. Its totient is φ = 20330641653120.

The previous prime is 31332023312257. The next prime is 31332023312321. The reversal of 31332023312313 is 31321332023313.

It is not a de Polignac number, because 31332023312313 - 2⁹ = 31332023311801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31332023316313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613822356 + ... + 613873397.

It is an arithmetic number, because the mean of its divisors is an integer number (2681287526736).

Almost surely, 2^{31332023312313} is an apocalyptic number.

It is an amenable number.

31332023312313 is a deficient number, since it is larger than the sum of its proper divisors (11568577115463).

31332023312313 is a wasteful number, since it uses less digits than its factorization.

31332023312313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227695984.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 31332023312313 its reverse (31321332023313), we get a palindrome (62653355335626).

The spelling of 31332023312313 in words is "thirty-one trillion, three hundred thirty-two billion, twenty-three million, three hundred twelve thousand, three hundred thirteen".