1213303050311 has 8 divisors (see below), whose sum is σ = 1323614835984. Its totient is φ = 1102993182720.

The previous prime is 1213303050283. The next prime is 1213303050319. The reversal of 1213303050311 is 1130503033121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213303050311 - 2¹⁸ = 1213302788167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213303050319) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1057265 + ... + 1882661.

It is an arithmetic number, because the mean of its divisors is an integer number (165451854498).

Almost surely, 2^{1213303050311} is an apocalyptic number.

1213303050311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1213303050311 is a deficient number, since it is larger than the sum of its proper divisors (110311785673).

1213303050311 is a wasteful number, since it uses less digits than its factorization.

1213303050311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959041.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 1213303050311 its reverse (1130503033121), we get a palindrome (2343806083432).

The spelling of 1213303050311 in words is "one trillion, two hundred thirteen billion, three hundred three million, fifty thousand, three hundred eleven".