231053121 has 32 divisors (see below), whose sum is σ = 381360000. Its totient is φ = 137277504.

The previous prime is 231053107. The next prime is 231053149. The reversal of 231053121 is 121350132.

231053121 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 231053121 - 2⁶ = 231053057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231053094 and 231053103.

It is not an unprimeable number, because it can be changed into a prime (231053161) 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, 1171 + ... + 21528.

It is an arithmetic number, because the mean of its divisors is an integer number (11917500).

Almost surely, 2^231053121 is an apocalyptic number.

It is an amenable number.

231053121 is a deficient number, since it is larger than the sum of its proper divisors (150306879).

231053121 is a wasteful number, since it uses less digits than its factorization.

231053121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22750 (or 22744 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 231053121 is about 15200.4316057144. The cubic root of 231053121 is about 613.6262734682.

The spelling of 231053121 in words is "two hundred thirty-one million, fifty-three thousand, one hundred twenty-one".