1213310431110 has 96 divisors (see below), whose sum is σ = 3094668928512. Its totient is φ = 304383536640.

The previous prime is 1213310431087. The next prime is 1213310431111. The reversal of 1213310431110 is 111340133121.

It is a super-3 number, since 3×1213310431110³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213310431111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20527059 + ... + 20586081.

It is an arithmetic number, because the mean of its divisors is an integer number (32236134672).

Almost surely, 2^{1213310431110} is an apocalyptic number.

1213310431110 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 1213310431110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547334464256).

1213310431110 is an abundant number, since it is smaller than the sum of its proper divisors (1881358497402).

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

1213310431110 is a wasteful number, since it uses less digits than its factorization.

1213310431110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61438 (or 61421 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1213310431110 its reverse (111340133121), we get a palindrome (1324650564231).

The spelling of 1213310431110 in words is "one trillion, two hundred thirteen billion, three hundred ten million, four hundred thirty-one thousand, one hundred ten".