1231402004342 has 8 divisors (see below), whose sum is σ = 1873118542032. Its totient is φ = 607029157000.

The previous prime is 1231402004281. The next prime is 1231402004347. The reversal of 1231402004342 is 2434002041321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231402004347) 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, 4335922409 + ... + 4335922692.

It is an arithmetic number, because the mean of its divisors is an integer number (234139817754).

Almost surely, 2^{1231402004342} is an apocalyptic number.

1231402004342 is a deficient number, since it is larger than the sum of its proper divisors (641716537690).

1231402004342 is an equidigital number, since it uses as much as digits as its factorization.

1231402004342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8671845174.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1231402004342 its reverse (2434002041321), we get a palindrome (3665404045663).

The spelling of 1231402004342 in words is "one trillion, two hundred thirty-one billion, four hundred two million, four thousand, three hundred forty-two".