231214553 has 16 divisors (see below), whose sum is σ = 249402240. Its totient is φ = 213696000.

The previous prime is 231214541. The next prime is 231214619. The reversal of 231214553 is 355412132.

It is a happy number.

231214553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 231214553 - 2⁴ = 231214537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231214853) 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, 135401 + ... + 137097.

It is an arithmetic number, because the mean of its divisors is an integer number (15587640).

Almost surely, 2^231214553 is an apocalyptic number.

It is an amenable number.

231214553 is a deficient number, since it is larger than the sum of its proper divisors (18187687).

231214553 is a wasteful number, since it uses less digits than its factorization.

231214553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888.

The product of its digits is 3600, while the sum is 26.

The square root of 231214553 is about 15205.7407908987. The cubic root of 231214553 is about 613.7691494945.

Adding to 231214553 its reverse (355412132), we get a palindrome (586626685).

The spelling of 231214553 in words is "two hundred thirty-one million, two hundred fourteen thousand, five hundred fifty-three".