1313031298 has 8 divisors (see below), whose sum is σ = 1986976908. Its totient is φ = 650705664.

The previous prime is 1313031287. The next prime is 1313031367. The reversal of 1313031298 is 8921303131.

It can be written as a sum of positive squares in 2 ways, for example, as 1308775329 + 4255969 = 36177^2 + 2063^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2904711 + ... + 2905162.

Almost surely, 2^1313031298 is an apocalyptic number.

1313031298 is a deficient number, since it is larger than the sum of its proper divisors (673945610).

1313031298 is a wasteful number, since it uses less digits than its factorization.

1313031298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809988.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1313031298 is about 36235.7737325975. The cubic root of 1313031298 is about 1095.0275002650.

The spelling of 1313031298 in words is "one billion, three hundred thirteen million, thirty-one thousand, two hundred ninety-eight".