31113223300133 has 16 divisors (see below), whose sum is σ = 33813509107056. Its totient is φ = 28457564060160.

The previous prime is 31113223300129. The next prime is 31113223300267. The reversal of 31113223300133 is 33100332231113.

It can be written as a sum of positive squares in 8 ways, for example, as 1543304320804 + 29569918979329 = 1242298^2 + 5437823^2 .

It is a cyclic number.

It is not a de Polignac number, because 31113223300133 - 2² = 31113223300129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113223600133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15182066 + ... + 17109107.

It is an arithmetic number, because the mean of its divisors is an integer number (2113344319191).

Almost surely, 2^{31113223300133} is an apocalyptic number.

It is an amenable number.

31113223300133 is a deficient number, since it is larger than the sum of its proper divisors (2700285806923).

31113223300133 is a wasteful number, since it uses less digits than its factorization.

31113223300133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32291864.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31113223300133 its reverse (33100332231113), we get a palindrome (64213555531246).

The spelling of 31113223300133 in words is "thirty-one trillion, one hundred thirteen billion, two hundred twenty-three million, three hundred thousand, one hundred thirty-three".