230232154531 has 8 divisors (see below), whose sum is σ = 236463845184. Its totient is φ = 224000948160.

The previous prime is 230232154517. The next prime is 230232154543. The reversal of 230232154531 is 135451232032.

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

It is a de Polignac number, because none of the positive numbers 2^k-230232154531 is a prime.

It is a super-2 number, since 2×230232154531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230232154493 and 230232154502.

It is not an unprimeable number, because it can be changed into a prime (230232154501) 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, 975111 + ... + 1187983.

It is an arithmetic number, because the mean of its divisors is an integer number (29557980648).

Almost surely, 2^230232154531 is an apocalyptic number.

230232154531 is a deficient number, since it is larger than the sum of its proper divisors (6231690653).

230232154531 is a wasteful number, since it uses less digits than its factorization.

230232154531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242141.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 230232154531 its reverse (135451232032), we get a palindrome (365683386563).

The spelling of 230232154531 in words is "two hundred thirty billion, two hundred thirty-two million, one hundred fifty-four thousand, five hundred thirty-one".