3198000313 has 4 divisors (see below), whose sum is σ = 3209889060. Its totient is φ = 3186111568.

The previous prime is 3198000301. The next prime is 3198000319. The reversal of 3198000313 is 3130008913.

3198000313 = 39987² + 39988².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3130008913 = 1427 ⋅2193419.

It can be written as a sum of positive squares in 2 ways, for example, as 1598960169 + 1599040144 = 39987^2 + 39988^2 .

It is a cyclic number.

It is not a de Polignac number, because 3198000313 - 2²⁵ = 3164445881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3198000319) 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, 5943970 + ... + 5944507.

It is an arithmetic number, because the mean of its divisors is an integer number (802472265).

Almost surely, 2^3198000313 is an apocalyptic number.

3198000313 is the 39988-th centered square number.

It is an amenable number.

3198000313 is a deficient number, since it is larger than the sum of its proper divisors (11888747).

3198000313 is a wasteful number, since it uses less digits than its factorization.

3198000313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11888746.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 3198000313 is about 56550.8648298149. The cubic root of 3198000313 is about 1473.3055809161.

The spelling of 3198000313 in words is "three billion, one hundred ninety-eight million, three hundred thirteen", and thus it is an aban number.