1231322030042 has 8 divisors (see below), whose sum is σ = 1989058663956. Its totient is φ = 568302475392.

The previous prime is 1231322029991. The next prime is 1231322030053. The reversal of 1231322030042 is 2400302231321.

It can be written as a sum of positive squares in 2 ways, for example, as 1006749350161 + 224572679881 = 1003369^2 + 473891^2 .

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

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, 23679269783 + ... + 23679269834.

Almost surely, 2^{1231322030042} is an apocalyptic number.

1231322030042 is a deficient number, since it is larger than the sum of its proper divisors (757736633914).

1231322030042 is a wasteful number, since it uses less digits than its factorization.

1231322030042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47358539632.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1231322030042 its reverse (2400302231321), we get a palindrome (3631624261363).

The spelling of 1231322030042 in words is "one trillion, two hundred thirty-one billion, three hundred twenty-two million, thirty thousand, forty-two".