231153541 has 8 divisors (see below), whose sum is σ = 237720704. Its totient is φ = 224603280.

The previous prime is 231153499. The next prime is 231153569. The reversal of 231153541 is 145351132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 231153541 - 2²³ = 222764933 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 (231153581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26656 + ... + 34246.

It is an arithmetic number, because the mean of its divisors is an integer number (29715088).

Almost surely, 2^231153541 is an apocalyptic number.

It is an amenable number.

231153541 is a deficient number, since it is larger than the sum of its proper divisors (6567163).

231153541 is an equidigital number, since it uses as much as digits as its factorization.

231153541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8451.

The product of its digits is 1800, while the sum is 25.

The square root of 231153541 is about 15203.7344425638. The cubic root of 231153541 is about 613.7151584039.

The spelling of 231153541 in words is "two hundred thirty-one million, one hundred fifty-three thousand, five hundred forty-one".