1442403031 has 8 divisors (see below), whose sum is σ = 1544054400. Its totient is φ = 1343325240.

The previous prime is 1442402977. The next prime is 1442403041. The reversal of 1442403031 is 1303042441.

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

It is a cyclic number.

It is not a de Polignac number, because 1442403031 - 2¹⁹ = 1441878743 is a prime.

It is a super-2 number, since 2×1442403031² = 4161053007675973922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442402993 and 1442403011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442403041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642235 + ... + 644476.

It is an arithmetic number, because the mean of its divisors is an integer number (193006800).

Almost surely, 2^1442403031 is an apocalyptic number.

1442403031 is a deficient number, since it is larger than the sum of its proper divisors (101651369).

1442403031 is a wasteful number, since it uses less digits than its factorization.

1442403031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286789.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1442403031 is about 37978.9814371054. The cubic root of 1442403031 is about 1129.8710352207.

Adding to 1442403031 its reverse (1303042441), we get a palindrome (2745445472).

The spelling of 1442403031 in words is "one billion, four hundred forty-two million, four hundred three thousand, thirty-one".