31132321232303 has 4 divisors (see below), whose sum is σ = 31323317068248. Its totient is φ = 30941325396360.

The previous prime is 31132321232297. The next prime is 31132321232323. The reversal of 31132321232303 is 30323212323113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31132321232303 - 2¹² = 31132321228207 is a prime.

It is a super-2 number, since 2×31132321232303² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132321232323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95497917728 + ... + 95497918053.

It is an arithmetic number, because the mean of its divisors is an integer number (7830829267062).

Almost surely, 2^{31132321232303} is an apocalyptic number.

31132321232303 is a deficient number, since it is larger than the sum of its proper divisors (190995835945).

31132321232303 is a wasteful number, since it uses less digits than its factorization.

31132321232303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190995835944.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 31132321232303 its reverse (30323212323113), we get a palindrome (61455533555416).

The spelling of 31132321232303 in words is "thirty-one trillion, one hundred thirty-two billion, three hundred twenty-one million, two hundred thirty-two thousand, three hundred three".