31103201012033 has 8 divisors (see below), whose sum is σ = 31356614975400. Its totient is φ = 30850382617600.

The previous prime is 31103201011969. The next prime is 31103201012057. The reversal of 31103201012033 is 33021010230113.

It can be written as a sum of positive squares in 4 ways, for example, as 13567818636304 + 17535382375729 = 3683452^2 + 4187527^2 .

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 31103201012033 - 2⁶ = 31103201011969 is a prime.

It is a super-2 number, since 2×31103201012033² (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 = 31103201011996 and 31103201012014.

It is not an unprimeable number, because it can be changed into a prime (31103201012633) 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, 148787360 + ... + 148996257.

It is an arithmetic number, because the mean of its divisors is an integer number (3919576871925).

Almost surely, 2^{31103201012033} is an apocalyptic number.

It is an amenable number.

31103201012033 is a deficient number, since it is larger than the sum of its proper divisors (253413963367).

31103201012033 is a wasteful number, since it uses less digits than its factorization.

31103201012033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297784467.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31103201012033 its reverse (33021010230113), we get a palindrome (64124211242146).

The spelling of 31103201012033 in words is "thirty-one trillion, one hundred three billion, two hundred one million, twelve thousand, thirty-three".