1311533134150 has 48 divisors (see below), whose sum is σ = 2470610062800. Its totient is φ = 517930434560.

The previous prime is 1311533134117. The next prime is 1311533134157. The reversal of 1311533134150 is 514313351131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311533134157) 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, 2708934 + ... + 3156166.

It is an arithmetic number, because the mean of its divisors is an integer number (51471042975).

Almost surely, 2^{1311533134150} is an apocalyptic number.

1311533134150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311533134150 is a deficient number, since it is larger than the sum of its proper divisors (1159076928650).

1311533134150 is a wasteful number, since it uses less digits than its factorization.

1311533134150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447993 (or 447988 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 1311533134150 its reverse (514313351131), we get a palindrome (1825846485281).

The spelling of 1311533134150 in words is "one trillion, three hundred eleven billion, five hundred thirty-three million, one hundred thirty-four thousand, one hundred fifty".