1331344034 has 4 divisors (see below), whose sum is σ = 1997016054. Its totient is φ = 665672016.

The previous prime is 1331344031. The next prime is 1331344037. The reversal of 1331344034 is 4304431331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4304431331 = 17 ⋅253201843.

It is an interprime number because it is at equal distance from previous prime (1331344031) and next prime (1331344037).

It can be written as a sum of positive squares in only one way, i.e., 823517809 + 507826225 = 28697^2 + 22535^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1331343994 and 1331344012.

It is not an unprimeable number, because it can be changed into a prime (1331344031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332836007 + ... + 332836010.

Almost surely, 2^1331344034 is an apocalyptic number.

1331344034 is a deficient number, since it is larger than the sum of its proper divisors (665672020).

1331344034 is an equidigital number, since it uses as much as digits as its factorization.

1331344034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665672019.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 1331344034 is about 36487.5873962640. The cubic root of 1331344034 is about 1100.0947670420.

Adding to 1331344034 its reverse (4304431331), we get a palindrome (5635775365).

The spelling of 1331344034 in words is "one billion, three hundred thirty-one million, three hundred forty-four thousand, thirty-four".