3231313131332 has 48 divisors (see below), whose sum is σ = 6691891151232. Its totient is φ = 1345899367680.

The previous prime is 3231313131269. The next prime is 3231313131337. The reversal of 3231313131332 is 2331313131323.

It is a junction number, because it is equal to n+sod(n) for n = 3231313131295 and 3231313131304.

It is not an unprimeable number, because it can be changed into a prime (3231313131337) 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, 20538968 + ... + 20695695.

It is an arithmetic number, because the mean of its divisors is an integer number (139414398984).

Almost surely, 2^{3231313131332} is an apocalyptic number.

It is an amenable number.

3231313131332 is an abundant number, since it is smaller than the sum of its proper divisors (3460578019900).

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

3231313131332 is a wasteful number, since it uses less digits than its factorization.

3231313131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41234828 (or 41234826 counting only the distinct ones).

The product of its digits is 8748, while the sum is 29.

Adding to 3231313131332 its reverse (2331313131323), we get a palindrome (5562626262655).

Subtracting from 3231313131332 its reverse (2331313131323), we obtain a palindrome (900000000009).

The spelling of 3231313131332 in words is "three trillion, two hundred thirty-one billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred thirty-two".