31132232303101 has 4 divisors (see below), whose sum is σ = 31142310723900. Its totient is φ = 31122153882304.

The previous prime is 31132232303069. The next prime is 31132232303131. The reversal of 31132232303101 is 10130323223113.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25493673363876 + 5638558939225 = 5049126^2 + 2374565^2 .

It is a cyclic number.

It is not a de Polignac number, because 31132232303101 - 2⁵ = 31132232303069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132232303131) 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, 5039205766 + ... + 5039211943.

It is an arithmetic number, because the mean of its divisors is an integer number (7785577680975).

Almost surely, 2^{31132232303101} is an apocalyptic number.

It is an amenable number.

31132232303101 is a deficient number, since it is larger than the sum of its proper divisors (10078420799).

31132232303101 is a wasteful number, since it uses less digits than its factorization.

31132232303101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10078420798.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31132232303101 its reverse (10130323223113), we get a palindrome (41262555526214).

The spelling of 31132232303101 in words is "thirty-one trillion, one hundred thirty-two billion, two hundred thirty-two million, three hundred three thousand, one hundred one".