1431212331442 has 8 divisors (see below), whose sum is σ = 2146926043116. Its totient is φ = 715570317072.

The previous prime is 1431212331421. The next prime is 1431212331449. The reversal of 1431212331442 is 2441332121341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1404227370001 + 26984961441 = 1185001^2 + 164271^2 .

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 (1431212331449) 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, 17874393 + ... + 17954284.

Almost surely, 2^{1431212331442} is an apocalyptic number.

1431212331442 is a deficient number, since it is larger than the sum of its proper divisors (715713711674).

1431212331442 is a wasteful number, since it uses less digits than its factorization.

1431212331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35848652.

The product of its digits is 13824, while the sum is 31.

Adding to 1431212331442 its reverse (2441332121341), we get a palindrome (3872544452783).

The spelling of 1431212331442 in words is "one trillion, four hundred thirty-one billion, two hundred twelve million, three hundred thirty-one thousand, four hundred forty-two".