31133142113 has 16 divisors (see below), whose sum is σ = 33776160000. Its totient is φ = 28602087552.

The previous prime is 31133142109. The next prime is 31133142133. The reversal of 31133142113 is 31124133113.

It is a cyclic number.

It is not a de Polignac number, because 31133142113 - 2² = 31133142109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31133142133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62588 + ... + 257261.

It is an arithmetic number, because the mean of its divisors is an integer number (2111010000).

Almost surely, 2^31133142113 is an apocalyptic number.

It is an amenable number.

31133142113 is a deficient number, since it is larger than the sum of its proper divisors (2643017887).

31133142113 is a wasteful number, since it uses less digits than its factorization.

31133142113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320024.

The product of its digits is 648, while the sum is 23.

Adding to 31133142113 its reverse (31124133113), we get a palindrome (62257275226).

The spelling of 31133142113 in words is "thirty-one billion, one hundred thirty-three million, one hundred forty-two thousand, one hundred thirteen".