31103102233231 has 8 divisors (see below), whose sum is σ = 36413387980704. Its totient is φ = 26009562842880.

The previous prime is 31103102233213. The next prime is 31103102233261. The reversal of 31103102233231 is 13233220130113.

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 31103102233231 - 2¹¹ = 31103102231183 is a prime.

It is a super-2 number, since 2×31103102233231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31103102233196 and 31103102233205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103102233201) 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, 54186588970 + ... + 54186589543.

It is an arithmetic number, because the mean of its divisors is an integer number (4551673497588).

Almost surely, 2^{31103102233231} is an apocalyptic number.

31103102233231 is a deficient number, since it is larger than the sum of its proper divisors (5310285747473).

31103102233231 is a wasteful number, since it uses less digits than its factorization.

31103102233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108373178561.

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

Adding to 31103102233231 its reverse (13233220130113), we get a palindrome (44336322363344).

The spelling of 31103102233231 in words is "thirty-one trillion, one hundred three billion, one hundred two million, two hundred thirty-three thousand, two hundred thirty-one".