198192031 has 8 divisors (see below), whose sum is σ = 203005440. Its totient is φ = 193387992.

The previous prime is 198192023. The next prime is 198192037. The reversal of 198192031 is 130291891.

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

It is a cyclic number.

It is not a de Polignac number, because 198192031 - 2³ = 198192023 is a prime.

It is a super-2 number, since 2×198192031² = 78560162303809922, which contains 22 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 (198192037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60276 + ... + 63478.

It is an arithmetic number, because the mean of its divisors is an integer number (25375680).

Almost surely, 2^198192031 is an apocalyptic number.

198192031 is a deficient number, since it is larger than the sum of its proper divisors (4813409).

198192031 is a wasteful number, since it uses less digits than its factorization.

198192031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 198192031 is about 14078.0691502777. The cubic root of 198192031 is about 583.0360330668.

The spelling of 198192031 in words is "one hundred ninety-eight million, one hundred ninety-two thousand, thirty-one".