931640241241 has 4 divisors (see below), whose sum is σ = 931899537972. Its totient is φ = 931380944512.

The previous prime is 931640241199. The next prime is 931640241247. The reversal of 931640241241 is 142142046139.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 403117057225 + 528523184016 = 634915^2 + 726996^2 .

It is a cyclic number.

It is not a de Polignac number, because 931640241241 - 2²⁵ = 931606686809 is a prime.

It is a super-3 number, since 3×931640241241³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 931640241241.

It is not an unprimeable number, because it can be changed into a prime (931640241247) 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, 129642976 + ... + 129650161.

It is an arithmetic number, because the mean of its divisors is an integer number (232974884493).

Almost surely, 2^931640241241 is an apocalyptic number.

It is an amenable number.

931640241241 is a deficient number, since it is larger than the sum of its proper divisors (259296731).

931640241241 is a wasteful number, since it uses less digits than its factorization.

931640241241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259296730.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 931640241241 in words is "nine hundred thirty-one billion, six hundred forty million, two hundred forty-one thousand, two hundred forty-one".