231795076645 has 8 divisors (see below), whose sum is σ = 303440827680. Its totient is φ = 168578237520.

The previous prime is 231795076631. The next prime is 231795076649. The reversal of 231795076645 is 546670597132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231795076645 - 2⁵ = 231795076613 is a prime.

It is a super-2 number, since 2×231795076645² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 4214455939 = 231795076645 / (2 + 3 + 1 + 7 + 9 + 5 + 0 + 7 + 6 + 6 + 4 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231795076649) 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 7 ways as a sum of consecutive naturals, for example, 2107227915 + ... + 2107228024.

It is an arithmetic number, because the mean of its divisors is an integer number (37930103460).

Almost surely, 2^231795076645 is an apocalyptic number.

It is an amenable number.

231795076645 is a deficient number, since it is larger than the sum of its proper divisors (71645751035).

231795076645 is a wasteful number, since it uses less digits than its factorization.

231795076645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214455955.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 231795076645 in words is "two hundred thirty-one billion, seven hundred ninety-five million, seventy-six thousand, six hundred forty-five".