1213311002340 has 48 divisors (see below), whose sum is σ = 3454851677760. Its totient is φ = 318065708160.

The previous prime is 1213311002339. The next prime is 1213311002369. The reversal of 1213311002340 is 432001133121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171368071 + ... + 171375150.

It is an arithmetic number, because the mean of its divisors is an integer number (71976076620).

Almost surely, 2^{1213311002340} is an apocalyptic number.

1213311002340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213311002340 is an abundant number, since it is smaller than the sum of its proper divisors (2241540675420).

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

1213311002340 is a wasteful number, since it uses less digits than its factorization.

1213311002340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342743292 (or 342743290 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1213311002340 its reverse (432001133121), we get a palindrome (1645312135461).

The spelling of 1213311002340 in words is "one trillion, two hundred thirteen billion, three hundred eleven million, two thousand, three hundred forty".