1331434453 has 8 divisors (see below), whose sum is σ = 1335735936. Its totient is φ = 1327141200.

The previous prime is 1331434427. The next prime is 1331434477. The reversal of 1331434453 is 3544341331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331434453 - 2⁹ = 1331433941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331434483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489768 + ... + 492478.

It is an arithmetic number, because the mean of its divisors is an integer number (166966992).

Almost surely, 2^1331434453 is an apocalyptic number.

It is an amenable number.

1331434453 is a deficient number, since it is larger than the sum of its proper divisors (4301483).

1331434453 is an equidigital number, since it uses as much as digits as its factorization.

1331434453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115.

The product of its digits is 25920, while the sum is 31.

The square root of 1331434453 is about 36488.8264130268. The cubic root of 1331434453 is about 1100.1196710023.

Adding to 1331434453 its reverse (3544341331), we get a palindrome (4875775784).

The spelling of 1331434453 in words is "one billion, three hundred thirty-one million, four hundred thirty-four thousand, four hundred fifty-three".