2123031331110 has 64 divisors (see below), whose sum is σ = 5123107118592. Its totient is φ = 563054505216.

The previous prime is 2123031331087. The next prime is 2123031331151. The reversal of 2123031331110 is 111331303212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6326367 + ... + 6653493.

It is an arithmetic number, because the mean of its divisors is an integer number (80048548728).

Almost surely, 2^{2123031331110} is an apocalyptic number.

2123031331110 is an abundant number, since it is smaller than the sum of its proper divisors (3000075787482).

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

2123031331110 is a wasteful number, since it uses less digits than its factorization.

2123031331110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328317.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2123031331110 its reverse (111331303212), we get a palindrome (2234362634322).

The spelling of 2123031331110 in words is "two trillion, one hundred twenty-three billion, thirty-one million, three hundred thirty-one thousand, one hundred ten".