1213113011310 has 64 divisors (see below), whose sum is σ = 3375618831360. Its totient is φ = 309431723040.

The previous prime is 1213113011309. The next prime is 1213113011323. The reversal of 1213113011310 is 131103113121.

1213113011310 is a `hidden beast` number, since 1 + 2 + 1 + 311 + 30 + 11 + 310 = 666.

It is a super-2 number, since 2×1213113011310² (a number of 25 digits) contains 22 as substring.

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

It is a Curzon 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, 97667946 + ... + 97680365.

It is an arithmetic number, because the mean of its divisors is an integer number (52744044240).

Almost surely, 2^{1213113011310} is an apocalyptic number.

1213113011310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213113011310 is an abundant number, since it is smaller than the sum of its proper divisors (2162505820050).

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

1213113011310 is a wasteful number, since it uses less digits than its factorization.

1213113011310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195348350 (or 195348344 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1213113011310 its reverse (131103113121), we get a palindrome (1344216124431).

The spelling of 1213113011310 in words is "one trillion, two hundred thirteen billion, one hundred thirteen million, eleven thousand, three hundred ten".