231361361 has 32 divisors (see below), whose sum is σ = 296386560. Its totient is φ = 175392000.

The previous prime is 231361357. The next prime is 231361367. The reversal of 231361361 is 163163132.

231361361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231361361 - 2² = 231361357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 231361361.

It is not an unprimeable number, because it can be changed into a prime (231361367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576761 + ... + 577161.

It is an arithmetic number, because the mean of its divisors is an integer number (9262080).

Almost surely, 2^231361361 is an apocalyptic number.

It is an amenable number.

231361361 is a deficient number, since it is larger than the sum of its proper divisors (65025199).

231361361 is a wasteful number, since it uses less digits than its factorization.

231361361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its digits is 1944, while the sum is 26.

The square root of 231361361 is about 15210.5674121645. The cubic root of 231361361 is about 613.8990247642.

It can be divided in two parts, 231361 and 361, that multiplied together give a square (83521321 = 9139²).

The spelling of 231361361 in words is "two hundred thirty-one million, three hundred sixty-one thousand, three hundred sixty-one".