195670231 has 4 divisors (see below), whose sum is σ = 196751464. Its totient is φ = 194589000.

The previous prime is 195670193. The next prime is 195670247. The reversal of 195670231 is 132076591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132076591 = 103 ⋅1282297.

It is a cyclic number.

It is not a de Polignac number, because 195670231 - 2⁷ = 195670103 is a prime.

It is a super-2 number, since 2×195670231² = 76573678599186722, 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 (195670271) 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, 540345 + ... + 540706.

It is an arithmetic number, because the mean of its divisors is an integer number (49187866).

Almost surely, 2^195670231 is an apocalyptic number.

195670231 is a deficient number, since it is larger than the sum of its proper divisors (1081233).

195670231 is a wasteful number, since it uses less digits than its factorization.

195670231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081232.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 195670231 is about 13988.2175776616. The cubic root of 195670231 is about 580.5526154018.

The spelling of 195670231 in words is "one hundred ninety-five million, six hundred seventy thousand, two hundred thirty-one".