231642332242 has 8 divisors (see below), whose sum is σ = 347538412800. Its totient is φ = 115796194644.

The previous prime is 231642332203. The next prime is 231642332291. The reversal of 231642332242 is 242233246132.

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

It is a super-2 number, since 2×231642332242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231642332198 and 231642332207.

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, 12474142 + ... + 12492697.

It is an arithmetic number, because the mean of its divisors is an integer number (43442301600).

Almost surely, 2^231642332242 is an apocalyptic number.

231642332242 is a deficient number, since it is larger than the sum of its proper divisors (115896080558).

231642332242 is a wasteful number, since it uses less digits than its factorization.

231642332242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24971480.

The product of its digits is 82944, while the sum is 34.

Adding to 231642332242 its reverse (242233246132), we get a palindrome (473875578374).

The spelling of 231642332242 in words is "two hundred thirty-one billion, six hundred forty-two million, three hundred thirty-two thousand, two hundred forty-two".