31332013144441 has 4 divisors (see below), whose sum is σ = 31539509920384. Its totient is φ = 31124516368500.

The previous prime is 31332013144387. The next prime is 31332013144483. The reversal of 31332013144441 is 14444131023313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31332013144441 - 2²¹ = 31332011047289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31332013144397 and 31332013144406.

It is not an unprimeable number, because it can be changed into a prime (31332013144841) 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, 103748387745 + ... + 103748388046.

It is an arithmetic number, because the mean of its divisors is an integer number (7884877480096).

Almost surely, 2^{31332013144441} is an apocalyptic number.

It is an amenable number.

31332013144441 is a deficient number, since it is larger than the sum of its proper divisors (207496775943).

31332013144441 is a wasteful number, since it uses less digits than its factorization.

31332013144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207496775942.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 31332013144441 its reverse (14444131023313), we get a palindrome (45776144167754).

The spelling of 31332013144441 in words is "thirty-one trillion, three hundred thirty-two billion, thirteen million, one hundred forty-four thousand, four hundred forty-one".