2063198731 has 4 divisors (see below), whose sum is σ = 2250762264. Its totient is φ = 1875635200.

The previous prime is 2063198677. The next prime is 2063198741. The reversal of 2063198731 is 1378913602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2063198731 - 2⁹ = 2063198219 is a prime.

It is a super-2 number, since 2×2063198731² = 8513578007200020722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2063198741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93781750 + ... + 93781771.

It is an arithmetic number, because the mean of its divisors is an integer number (562690566).

Almost surely, 2^2063198731 is an apocalyptic number.

2063198731 is a deficient number, since it is larger than the sum of its proper divisors (187563533).

2063198731 is a wasteful number, since it uses less digits than its factorization.

2063198731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187563532.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 2063198731 is about 45422.4474351614. The cubic root of 2063198731 is about 1273.0545711980.

The spelling of 2063198731 in words is "two billion, sixty-three million, one hundred ninety-eight thousand, seven hundred thirty-one".