7985244103231 has 4 divisors (see below), whose sum is σ = 8260597348200. Its totient is φ = 7709890858264.

The previous prime is 7985244103219. The next prime is 7985244103261. The reversal of 7985244103231 is 1323014425897.

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

It is a cyclic number.

It is not a de Polignac number, because 7985244103231 - 2¹³ = 7985244095039 is a prime.

It is a super-2 number, since 2×7985244103231² (a number of 27 digits) 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 (7985244103261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137676622441 + ... + 137676622498.

It is an arithmetic number, because the mean of its divisors is an integer number (2065149337050).

Almost surely, 2^{7985244103231} is an apocalyptic number.

7985244103231 is a deficient number, since it is larger than the sum of its proper divisors (275353244969).

7985244103231 is a wasteful number, since it uses less digits than its factorization.

7985244103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275353244968.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 7985244103231 in words is "seven trillion, nine hundred eighty-five billion, two hundred forty-four million, one hundred three thousand, two hundred thirty-one".