1231333213110 has 256 divisors, whose sum is σ = 4075062663168. Its totient is φ = 229796352000.

The previous prime is 1231333213079. The next prime is 1231333213133. The reversal of 1231333213110 is 113123331321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 557010 + ... + 1665210.

It is an arithmetic number, because the mean of its divisors is an integer number (15918213528).

Almost surely, 2^{1231333213110} is an apocalyptic number.

1231333213110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231333213110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2037531331584).

1231333213110 is an abundant number, since it is smaller than the sum of its proper divisors (2843729450058).

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

1231333213110 is a wasteful number, since it uses less digits than its factorization.

1231333213110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108279.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1231333213110 its reverse (113123331321), we get a palindrome (1344456544431).

The spelling of 1231333213110 in words is "one trillion, two hundred thirty-one billion, three hundred thirty-three million, two hundred thirteen thousand, one hundred ten".