231896061 has 16 divisors (see below), whose sum is σ = 344134720. Its totient is φ = 154334160.

The previous prime is 231896059. The next prime is 231896081. The reversal of 231896061 is 160698132.

It is not a de Polignac number, because 231896061 - 2¹ = 231896059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231896081) 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 15 ways as a sum of consecutive naturals, for example, 9546 + ... + 23556.

It is an arithmetic number, because the mean of its divisors is an integer number (21508420).

Almost surely, 2^231896061 is an apocalyptic number.

It is an amenable number.

231896061 is a deficient number, since it is larger than the sum of its proper divisors (112238659).

231896061 is a wasteful number, since it uses less digits than its factorization.

231896061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14633 (or 14627 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 231896061 is about 15228.1338646598. The cubic root of 231896061 is about 614.3715889191.

The spelling of 231896061 in words is "two hundred thirty-one million, eight hundred ninety-six thousand, sixty-one".