31102311230111 has 32 divisors (see below), whose sum is σ = 34246792742400. Its totient is φ = 28011581136000.

The previous prime is 31102311230101. The next prime is 31102311230117. The reversal of 31102311230111 is 11103211320113.

It is not a de Polignac number, because 31102311230111 - 2¹⁸ = 31102310967967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102311230117) 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 31 ways as a sum of consecutive naturals, for example, 1996161341 + ... + 1996176921.

It is an arithmetic number, because the mean of its divisors is an integer number (1070212273200).

Almost surely, 2^{31102311230111} is an apocalyptic number.

31102311230111 is a deficient number, since it is larger than the sum of its proper divisors (3144481512289).

31102311230111 is a wasteful number, since it uses less digits than its factorization.

31102311230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 31102311230111 its reverse (11103211320113), we get a palindrome (42205522550224).

The spelling of 31102311230111 in words is "thirty-one trillion, one hundred two billion, three hundred eleven million, two hundred thirty thousand, one hundred eleven".