231520441453043 has 8 divisors (see below), whose sum is σ = 231883259392512. Its totient is φ = 231157745377416.

The previous prime is 231520441453039. The next prime is 231520441453159. The reversal of 231520441453043 is 340354144025132.

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 231520441453043 - 2² = 231520441453039 is a prime.

It is a super-2 number, since 2×231520441453043² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231520441450043) 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, 26662955 + ... + 34263012.

It is an arithmetic number, because the mean of its divisors is an integer number (28985407424064).

Almost surely, 2^{231520441453043} is an apocalyptic number.

231520441453043 is a deficient number, since it is larger than the sum of its proper divisors (362817939469).

231520441453043 is an equidigital number, since it uses as much as digits as its factorization.

231520441453043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60931921.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 231520441453043 its reverse (340354144025132), we get a palindrome (571874585478175).

The spelling of 231520441453043 in words is "two hundred thirty-one trillion, five hundred twenty billion, four hundred forty-one million, four hundred fifty-three thousand, forty-three".