31323332231103 has 16 divisors (see below), whose sum is σ = 45564080916096. Its totient is φ = 18982641716640.

The previous prime is 31323332231077. The next prime is 31323332231137. The reversal of 31323332231103 is 30113223332313.

It is not a de Polignac number, because 31323332231103 - 2⁵ = 31323332231071 is a prime.

It is a super-2 number, since 2×31323332231103² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323332231183) 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, 29368101 + ... + 30415982.

It is an arithmetic number, because the mean of its divisors is an integer number (2847755057256).

Almost surely, 2^{31323332231103} is an apocalyptic number.

31323332231103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31323332231103 is a deficient number, since it is larger than the sum of its proper divisors (14240748684993).

31323332231103 is a wasteful number, since it uses less digits than its factorization.

31323332231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59799974.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 31323332231103 its reverse (30113223332313), we get a palindrome (61436555563416).

The spelling of 31323332231103 in words is "thirty-one trillion, three hundred twenty-three billion, three hundred thirty-two million, two hundred thirty-one thousand, one hundred three".