1312111102230 has 64 divisors (see below), whose sum is σ = 3501703846080. Its totient is φ = 349622203392.

The previous prime is 1312111102217. The next prime is 1312111102243. The reversal of 1312111102230 is 322011112131.

1312111102230 is a `hidden beast` number, since 1 + 312 + 11 + 110 + 2 + 230 = 666.

It is an interprime number because it is at equal distance from previous prime (1312111102217) and next prime (1312111102243).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1557979 + ... + 2247558.

It is an arithmetic number, because the mean of its divisors is an integer number (54714122595).

Almost surely, 2^{1312111102230} is an apocalyptic number.

1312111102230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312111102230 is an abundant number, since it is smaller than the sum of its proper divisors (2189592743850).

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

1312111102230 is a wasteful number, since it uses less digits than its factorization.

1312111102230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806830 (or 3806824 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1312111102230 its reverse (322011112131), we get a palindrome (1634122214361).

Subtracting from 1312111102230 its reverse (322011112131), we obtain a palindrome (990099990099).

The spelling of 1312111102230 in words is "one trillion, three hundred twelve billion, one hundred eleven million, one hundred two thousand, two hundred thirty".