231009639379 has 16 divisors (see below), whose sum is σ = 238294508256. Its totient is φ = 223780320000.

The previous prime is 231009639359. The next prime is 231009639391. The reversal of 231009639379 is 973936900132.

It is a cyclic number.

It is not a de Polignac number, because 231009639379 - 2⁵ = 231009639347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231009639359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41389369 + ... + 41394949.

It is an arithmetic number, because the mean of its divisors is an integer number (14893406766).

Almost surely, 2^231009639379 is an apocalyptic number.

231009639379 is a deficient number, since it is larger than the sum of its proper divisors (7284868877).

231009639379 is a wasteful number, since it uses less digits than its factorization.

231009639379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10326.

The product of its (nonzero) digits is 1653372, while the sum is 52.

The spelling of 231009639379 in words is "two hundred thirty-one billion, nine million, six hundred thirty-nine thousand, three hundred seventy-nine".