1350311240 has 32 divisors (see below), whose sum is σ = 3039250680. Its totient is φ = 539937792.

The previous prime is 1350311239. The next prime is 1350311273. The reversal of 1350311240 is 421130531.

It can be written as a sum of positive squares in 4 ways, for example, as 1332688036 + 17623204 = 36506^2 + 4198^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208694 + ... + 215066.

Almost surely, 2^1350311240 is an apocalyptic number.

1350311240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350311240 is an abundant number, since it is smaller than the sum of its proper divisors (1688939440).

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

1350311240 is a wasteful number, since it uses less digits than its factorization.

1350311240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11681 (or 11677 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1350311240 is about 36746.5813375884. The cubic root of 1350311240 is about 1105.2943777297.

Adding to 1350311240 its reverse (421130531), we get a palindrome (1771441771).

The spelling of 1350311240 in words is "one billion, three hundred fifty million, three hundred eleven thousand, two hundred forty".