1331442353 has 2 divisors, whose sum is σ = 1331442354. Its totient is φ = 1331442352.

The previous prime is 1331442319. The next prime is 1331442419. The reversal of 1331442353 is 3532441331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 911315344 + 420127009 = 30188^2 + 20497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331442353 - 2²² = 1327248049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331442053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665721176 + 665721177.

It is an arithmetic number, because the mean of its divisors is an integer number (665721177).

Almost surely, 2^1331442353 is an apocalyptic number.

It is an amenable number.

1331442353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331442353 is an equidigital number, since it uses as much as digits as its factorization.

1331442353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 1331442353 is about 36488.9346651831. The cubic root of 1331442353 is about 1100.1218468331.

Adding to 1331442353 its reverse (3532441331), we get a palindrome (4863883684).

The spelling of 1331442353 in words is "one billion, three hundred thirty-one million, four hundred forty-two thousand, three hundred fifty-three".