231061235 has 8 divisors (see below), whose sum is σ = 280019376. Its totient is φ = 183018400.

The previous prime is 231061213. The next prime is 231061249. The reversal of 231061235 is 532160132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231061235 - 2⁸ = 231060979 is a prime.

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 231061235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228269 + ... + 229278.

It is an arithmetic number, because the mean of its divisors is an integer number (35002422).

Almost surely, 2^231061235 is an apocalyptic number.

231061235 is a deficient number, since it is larger than the sum of its proper divisors (48958141).

231061235 is a wasteful number, since it uses less digits than its factorization.

231061235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457653.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 231061235 is about 15200.6985036873. The cubic root of 231061235 is about 613.6334563839.

The spelling of 231061235 in words is "two hundred thirty-one million, sixty-one thousand, two hundred thirty-five".