31144010112210 has 64 divisors (see below), whose sum is σ = 75712929431040. Its totient is φ = 8197905745920.

The previous prime is 31144010112143. The next prime is 31144010112223. The reversal of 31144010112210 is 1221101044113.

It is a Curzon number.

It is an unprimeable number.

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, 8251786 + ... + 11418405.

It is an arithmetic number, because the mean of its divisors is an integer number (1183014522360).

Almost surely, 2^{31144010112210} is an apocalyptic number.

31144010112210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31144010112210 is an abundant number, since it is smaller than the sum of its proper divisors (44568919318830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31144010112210 is a wasteful number, since it uses less digits than its factorization.

31144010112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19670883.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 31144010112210 its reverse (1221101044113), we get a palindrome (32365111156323).

The spelling of 31144010112210 in words is "thirty-one trillion, one hundred forty-four billion, ten million, one hundred twelve thousand, two hundred ten".