1311300450 has 36 divisors (see below), whose sum is σ = 3523028418. Its totient is φ = 349680000.

The previous prime is 1311300421. The next prime is 1311300553. The reversal of 1311300450 is 540031131.

1311300450 is a `hidden beast` number, since 1 + 311 + 300 + 4 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 836539929 + 474760521 = 28923^2 + 21789^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1456551 + ... + 1457450.

Almost surely, 2^1311300450 is an apocalyptic number.

1311300450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311300450 is an abundant number, since it is smaller than the sum of its proper divisors (2211727968).

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

1311300450 is a wasteful number, since it uses less digits than its factorization.

1311300450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914019 (or 2914011 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1311300450 is about 36211.8827182460. The cubic root of 1311300450 is about 1094.5461307847.

Adding to 1311300450 its reverse (540031131), we get a palindrome (1851331581).

The spelling of 1311300450 in words is "one billion, three hundred eleven million, three hundred thousand, four hundred fifty".