31133311131441 has 8 divisors (see below), whose sum is σ = 41511119154400. Its totient is φ = 20755521931392.

The previous prime is 31133311131359. The next prime is 31133311131473. The reversal of 31133311131441 is 14413111333113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31133311131441 - 2²⁵ = 31133277577009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31133311131399 and 31133311131408.

It is not an unprimeable number, because it can be changed into a prime (31133311131341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241291 + ... + 7894608.

It is an arithmetic number, because the mean of its divisors is an integer number (5188889894300).

Almost surely, 2^{31133311131441} is an apocalyptic number.

It is an amenable number.

31133311131441 is a deficient number, since it is larger than the sum of its proper divisors (10377808022959).

31133311131441 is a wasteful number, since it uses less digits than its factorization.

31133311131441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411455.

The product of its digits is 3888, while the sum is 30.

Adding to 31133311131441 its reverse (14413111333113), we get a palindrome (45546422464554).

The spelling of 31133311131441 in words is "thirty-one trillion, one hundred thirty-three billion, three hundred eleven million, one hundred thirty-one thousand, four hundred forty-one".