31332132232230 has 64 divisors (see below), whose sum is σ = 79367072336640. Its totient is φ = 7894264841856.

The previous prime is 31332132232199. The next prime is 31332132232301. The reversal of 31332132232230 is 3223223123313.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 73471912 + ... + 73897131.

It is an arithmetic number, because the mean of its divisors is an integer number (1240110505260).

Almost surely, 2^{31332132232230} is an apocalyptic number.

31332132232230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31332132232230 is an abundant number, since it is smaller than the sum of its proper divisors (48034940104410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31332132232230 is a wasteful number, since it uses less digits than its factorization.

31332132232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147369445.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 31332132232230 its reverse (3223223123313), we get a palindrome (34555355355543).

The spelling of 31332132232230 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred thirty-two million, two hundred thirty-two thousand, two hundred thirty".