1350311331 has 4 divisors (see below), whose sum is σ = 1800415112. Its totient is φ = 900207552.

The previous prime is 1350311329. The next prime is 1350311341. The reversal of 1350311331 is 1331130531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1331130531 = 3 ⋅443710177.

It is not a de Polignac number, because 1350311331 - 2¹ = 1350311329 is a prime.

It is a super-2 number, since 2×1350311331² = 3646681381253983122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1350311298 and 1350311307.

It is not an unprimeable number, because it can be changed into a prime (1350311341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225051886 + ... + 225051891.

It is an arithmetic number, because the mean of its divisors is an integer number (450103778).

Almost surely, 2^1350311331 is an apocalyptic number.

1350311331 is a deficient number, since it is larger than the sum of its proper divisors (450103781).

1350311331 is an equidigital number, since it uses as much as digits as its factorization.

1350311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450103780.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 1350311331 is about 36746.5825757988. The cubic root of 1350311331 is about 1105.2944025590.

Adding to 1350311331 its reverse (1331130531), we get a palindrome (2681441862).

The spelling of 1350311331 in words is "one billion, three hundred fifty million, three hundred eleven thousand, three hundred thirty-one".