1442331031 has 8 divisors (see below), whose sum is σ = 1471695984. Its totient is φ = 1413150720.

The previous prime is 1442331019. The next prime is 1442331041. The reversal of 1442331031 is 1301332441.

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 1442331031 - 2¹¹ = 1442328983 is a prime.

It is a super-2 number, since 2×1442331031² = 4160637605971045922, 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 = 1442330993 and 1442331011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442331001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30325 + ... + 61678.

It is an arithmetic number, because the mean of its divisors is an integer number (183961998).

Almost surely, 2^1442331031 is an apocalyptic number.

1442331031 is a deficient number, since it is larger than the sum of its proper divisors (29364953).

1442331031 is an equidigital number, since it uses as much as digits as its factorization.

1442331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92321.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1442331031 is about 37978.0335325567. The cubic root of 1442331031 is about 1129.8522350966.

Adding to 1442331031 its reverse (1301332441), we get a palindrome (2743663472).

It can be divided in two parts, 14423 and 31031, that added together give a palindrome (45454).

The spelling of 1442331031 in words is "one billion, four hundred forty-two million, three hundred thirty-one thousand, thirty-one".