31232003332313 has 32 divisors (see below), whose sum is σ = 36629476595712. Its totient is φ = 26072176838400.

The previous prime is 31232003332261. The next prime is 31232003332331. The reversal of 31232003332313 is 31323330023213.

It is not a de Polignac number, because 31232003332313 - 2¹⁰ = 31232003331289 is a prime.

It is a super-2 number, since 2×31232003332313² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31232003332213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151315220 + ... + 151521482.

It is an arithmetic number, because the mean of its divisors is an integer number (1144671143616).

Almost surely, 2^{31232003332313} is an apocalyptic number.

It is an amenable number.

31232003332313 is a deficient number, since it is larger than the sum of its proper divisors (5397473263399).

31232003332313 is a wasteful number, since it uses less digits than its factorization.

31232003332313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207765.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 31232003332313 its reverse (31323330023213), we get a palindrome (62555333355526).

The spelling of 31232003332313 in words is "thirty-one trillion, two hundred thirty-two billion, three million, three hundred thirty-two thousand, three hundred thirteen".