194983031 has 4 divisors (see below), whose sum is σ = 195308064. Its totient is φ = 194658000.

The previous prime is 194982989. The next prime is 194983049. The reversal of 194983031 is 130389491.

It is a happy number.

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 194983031 - 2⁶ = 194982967 is a prime.

It is a super-2 number, since 2×194983031² = 76036764755893922, 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 (194983051) 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, 161615 + ... + 162816.

It is an arithmetic number, because the mean of its divisors is an integer number (48827016).

Almost surely, 2^194983031 is an apocalyptic number.

194983031 is a deficient number, since it is larger than the sum of its proper divisors (325033).

194983031 is an equidigital number, since it uses as much as digits as its factorization.

194983031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325032.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 194983031 is about 13963.6324428853. The cubic root of 194983031 is about 579.8721785309.

The spelling of 194983031 in words is "one hundred ninety-four million, nine hundred eighty-three thousand, thirty-one".