31313124133 has 8 divisors (see below), whose sum is σ = 31608351360. Its totient is φ = 31019053200.

The previous prime is 31313124091. The next prime is 31313124169. The reversal of 31313124133 is 33142131313.

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

It is a cyclic number.

It is not a de Polignac number, because 31313124133 - 2¹³ = 31313115941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31313124098 and 31313124107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31313122133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234610 + ... + 343027.

It is an arithmetic number, because the mean of its divisors is an integer number (3951043920).

Almost surely, 2^31313124133 is an apocalyptic number.

It is an amenable number.

31313124133 is a deficient number, since it is larger than the sum of its proper divisors (295227227).

31313124133 is a wasteful number, since it uses less digits than its factorization.

31313124133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578147.

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

Adding to 31313124133 its reverse (33142131313), we get a palindrome (64455255446).

The spelling of 31313124133 in words is "thirty-one billion, three hundred thirteen million, one hundred twenty-four thousand, one hundred thirty-three".