1213001111313 has 24 divisors (see below), whose sum is σ = 1807768609920. Its totient is φ = 783366348960.

The previous prime is 1213001111279. The next prime is 1213001111323. The reversal of 1213001111313 is 3131111003121.

1213001111313 is a `hidden beast` number, since 121 + 300 + 111 + 131 + 3 = 666.

It is not a de Polignac number, because 1213001111313 - 2¹³ = 1213001103121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213001111323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16057123 + ... + 16132488.

It is an arithmetic number, because the mean of its divisors is an integer number (75323692080).

Almost surely, 2^{1213001111313} is an apocalyptic number.

It is an amenable number.

1213001111313 is a deficient number, since it is larger than the sum of its proper divisors (594767498607).

1213001111313 is a wasteful number, since it uses less digits than its factorization.

1213001111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32189749 (or 32189746 counting only the distinct ones).

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

Adding to 1213001111313 its reverse (3131111003121), we get a palindrome (4344112114434).

The spelling of 1213001111313 in words is "one trillion, two hundred thirteen billion, one million, one hundred eleven thousand, three hundred thirteen".