1442331430031 has 4 divisors (see below), whose sum is σ = 1447254063192. Its totient is φ = 1437408796872.

The previous prime is 1442331430021. The next prime is 1442331430039. The reversal of 1442331430031 is 1300341332441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442331430031 is a prime.

It is a super-4 number, since 4×1442331430031⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442331429976 and 1442331430003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442331430039) 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, 2461316141 + ... + 2461316726.

It is an arithmetic number, because the mean of its divisors is an integer number (361813515798).

Almost surely, 2^{1442331430031} is an apocalyptic number.

1442331430031 is a deficient number, since it is larger than the sum of its proper divisors (4922633161).

1442331430031 is an equidigital number, since it uses as much as digits as its factorization.

1442331430031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922633160.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1442331430031 its reverse (1300341332441), we get a palindrome (2742672762472).

The spelling of 1442331430031 in words is "one trillion, four hundred forty-two billion, three hundred thirty-one million, four hundred thirty thousand, thirty-one".