1311375150 has 48 divisors (see below), whose sum is σ = 3613570800. Its totient is φ = 349699680.

The previous prime is 1311375137. The next prime is 1311375151. The reversal of 1311375150 is 515731131.

1311375150 is a `hidden beast` number, since 13 + 1 + 137 + 515 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311375151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484345 + ... + 487044.

It is an arithmetic number, because the mean of its divisors is an integer number (75282725).

Almost surely, 2^1311375150 is an apocalyptic number.

1311375150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311375150 is an abundant number, since it is smaller than the sum of its proper divisors (2302195650).

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

1311375150 is a wasteful number, since it uses less digits than its factorization.

1311375150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971410 (or 971399 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 1311375150 is about 36212.9141329443. The cubic root of 1311375150 is about 1094.5669144893.

The spelling of 1311375150 in words is "one billion, three hundred eleven million, three hundred seventy-five thousand, one hundred fifty".