31145334520101 has 8 divisors (see below), whose sum is σ = 41536306227744. Its totient is φ = 20758959579600.

The previous prime is 31145334520073. The next prime is 31145334520109. The reversal of 31145334520101 is 10102543354113.

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

It is not a de Polignac number, because 31145334520101 - 2⁹ = 31145334519589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31145334520109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149175975 + ... + 1149203076.

It is an arithmetic number, because the mean of its divisors is an integer number (5192038278468).

Almost surely, 2^{31145334520101} is an apocalyptic number.

It is an amenable number.

31145334520101 is a deficient number, since it is larger than the sum of its proper divisors (10390971707643).

31145334520101 is a wasteful number, since it uses less digits than its factorization.

31145334520101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298383571.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 31145334520101 its reverse (10102543354113), we get a palindrome (41247877874214).

The spelling of 31145334520101 in words is "thirty-one trillion, one hundred forty-five billion, three hundred thirty-four million, five hundred twenty thousand, one hundred one".