196495031 has 4 divisors (see below), whose sum is σ = 196579872. Its totient is φ = 196410192.

The previous prime is 196495021. The next prime is 196495051. The reversal of 196495031 is 130594691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130594691 = 389 ⋅335719.

It is a cyclic number.

It is not a de Polignac number, because 196495031 - 2²² = 192300727 is a prime.

It is a super-3 number, since 3×196495031³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196495021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38846 + ... + 43611.

It is an arithmetic number, because the mean of its divisors is an integer number (49144968).

Almost surely, 2^196495031 is an apocalyptic number.

196495031 is a deficient number, since it is larger than the sum of its proper divisors (84841).

196495031 is an equidigital number, since it uses as much as digits as its factorization.

196495031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84840.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 196495031 is about 14017.6685293953. The cubic root of 196495031 is about 581.3671977652.

The spelling of 196495031 in words is "one hundred ninety-six million, four hundred ninety-five thousand, thirty-one".