1442031421330 has 16 divisors (see below), whose sum is σ = 2595679412760. Its totient is φ = 576807489792.

The previous prime is 1442031421319. The next prime is 1442031421349. The reversal of 1442031421330 is 331241302441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 650459993121 + 791571428209 = 806511^2 + 889703^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689176 + ... + 1832764.

Almost surely, 2^{1442031421330} is an apocalyptic number.

1442031421330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442031421330 is a deficient number, since it is larger than the sum of its proper divisors (1153647991430).

1442031421330 is a wasteful number, since it uses less digits than its factorization.

1442031421330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269693.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1442031421330 its reverse (331241302441), we get a palindrome (1773272723771).

The spelling of 1442031421330 in words is "one trillion, four hundred forty-two billion, thirty-one million, four hundred twenty-one thousand, three hundred thirty".