31033113200231 has 8 divisors (see below), whose sum is σ = 31055343675360. Its totient is φ = 31010890665888.

The previous prime is 31033113200213. The next prime is 31033113200261. The reversal of 31033113200231 is 13200231133013.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31033113200231 is a prime.

It is a super-2 number, since 2×31033113200231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31033113200197 and 31033113200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31033113200261) 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, 5844785 + ... + 9809573.

It is an arithmetic number, because the mean of its divisors is an integer number (3881917959420).

Almost surely, 2^{31033113200231} is an apocalyptic number.

31033113200231 is a deficient number, since it is larger than the sum of its proper divisors (22230475129).

31033113200231 is a wasteful number, since it uses less digits than its factorization.

31033113200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970393.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31033113200231 its reverse (13200231133013), we get a palindrome (44233344333244).

The spelling of 31033113200231 in words is "thirty-one trillion, thirty-three billion, one hundred thirteen million, two hundred thousand, two hundred thirty-one".