232143221031242 has 8 divisors (see below), whose sum is σ = 348214939035300. Its totient is φ = 116071574686144.

The previous prime is 232143221031223. The next prime is 232143221031251. The reversal of 232143221031242 is 242130122341232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 224474137616521 + 7669083414721 = 14982461^2 + 2769311^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 232143221031199 and 232143221031208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8910767 + ... + 23317122.

Almost surely, 2^{232143221031242} is an apocalyptic number.

232143221031242 is a deficient number, since it is larger than the sum of its proper divisors (116071718004058).

232143221031242 is a wasteful number, since it uses less digits than its factorization.

232143221031242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35829480.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 232143221031242 its reverse (242130122341232), we get a palindrome (474273343372474).

The spelling of 232143221031242 in words is "two hundred thirty-two trillion, one hundred forty-three billion, two hundred twenty-one million, thirty-one thousand, two hundred forty-two".