131230222042 has 8 divisors (see below), whose sum is σ = 208424470356. Its totient is φ = 61755398592.

The previous prime is 131230222037. The next prime is 131230222049. The reversal of 131230222042 is 240222032131.

It can be written as a sum of positive squares in 2 ways, for example, as 105106288401 + 26123933641 = 324201^2 + 161629^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131230222049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929856173 + ... + 1929856240.

Almost surely, 2^131230222042 is an apocalyptic number.

131230222042 is a deficient number, since it is larger than the sum of its proper divisors (77194248314).

131230222042 is a wasteful number, since it uses less digits than its factorization.

131230222042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859712432.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 131230222042 its reverse (240222032131), we get a palindrome (371452254173).

The spelling of 131230222042 in words is "one hundred thirty-one billion, two hundred thirty million, two hundred twenty-two thousand, forty-two".