31332332013 has 8 divisors (see below), whose sum is σ = 41963781888. Its totient is φ = 20794551744.

The previous prime is 31332332011. The next prime is 31332332027. The reversal of 31332332013 is 31023323313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31332332013 - 2¹ = 31332332011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31332332011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23416620 + ... + 23417957.

It is an arithmetic number, because the mean of its divisors is an integer number (5245472736).

Almost surely, 2^31332332013 is an apocalyptic number.

It is an amenable number.

31332332013 is a deficient number, since it is larger than the sum of its proper divisors (10631449875).

31332332013 is a wasteful number, since it uses less digits than its factorization.

31332332013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46834803.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 31332332013 its reverse (31023323313), we get a palindrome (62355655326).

The spelling of 31332332013 in words is "thirty-one billion, three hundred thirty-two million, three hundred thirty-two thousand, thirteen".