199131701 has 4 divisors (see below), whose sum is σ = 201103404. Its totient is φ = 197160000.

The previous prime is 199131671. The next prime is 199131707. The reversal of 199131701 is 107131991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107131991 = 271 ⋅395321.

It can be written as a sum of positive squares in 2 ways, for example, as 192376900 + 6754801 = 13870^2 + 2599^2 .

It is a cyclic number.

It is not a de Polignac number, because 199131701 - 2⁶ = 199131637 is a prime.

It is a super-3 number, since 3×199131701³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199131707) 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, 985700 + ... + 985901.

It is an arithmetic number, because the mean of its divisors is an integer number (50275851).

Almost surely, 2^199131701 is an apocalyptic number.

It is an amenable number.

199131701 is a deficient number, since it is larger than the sum of its proper divisors (1971703).

199131701 is a wasteful number, since it uses less digits than its factorization.

199131701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971702.

The product of its (nonzero) digits is 1701, while the sum is 32.

The square root of 199131701 is about 14111.4032257604. The cubic root of 199131701 is about 583.9560127078.

The spelling of 199131701 in words is "one hundred ninety-nine million, one hundred thirty-one thousand, seven hundred one".