195472512231 has 32 divisors (see below), whose sum is σ = 265130976960. Its totient is φ = 128078060544.

The previous prime is 195472512229. The next prime is 195472512239. The reversal of 195472512231 is 132215274591.

195472512231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195472512231 - 2¹ = 195472512229 is a prime.

It is a super-2 number, since 2×195472512231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195472512239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101122941 + ... + 101124873.

It is an arithmetic number, because the mean of its divisors is an integer number (8285343030).

Almost surely, 2^195472512231 is an apocalyptic number.

195472512231 is a deficient number, since it is larger than the sum of its proper divisors (69658464729).

195472512231 is a wasteful number, since it uses less digits than its factorization.

195472512231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

The product of its digits is 151200, while the sum is 42.

The spelling of 195472512231 in words is "one hundred ninety-five billion, four hundred seventy-two million, five hundred twelve thousand, two hundred thirty-one".