195454031 has 4 divisors (see below), whose sum is σ = 195547464. Its totient is φ = 195360600.

The previous prime is 195454013. The next prime is 195454067. The reversal of 195454031 is 130454591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130454591 = 3613 ⋅36107.

It is a cyclic number.

It is not a de Polignac number, because 195454031 - 2²⁶ = 128345167 is a prime.

It is a super-2 number, since 2×195454031² = 76404556468297922, 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 (195454081) 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, 43505 + ... + 47786.

It is an arithmetic number, because the mean of its divisors is an integer number (48886866).

Almost surely, 2^195454031 is an apocalyptic number.

195454031 is a deficient number, since it is larger than the sum of its proper divisors (93433).

195454031 is an equidigital number, since it uses as much as digits as its factorization.

195454031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93432.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 195454031 is about 13980.4875093825. The cubic root of 195454031 is about 580.3387151551.

The spelling of 195454031 in words is "one hundred ninety-five million, four hundred fifty-four thousand, thirty-one".