1442030431 has 4 divisors (see below), whose sum is σ = 1443840552. Its totient is φ = 1440220312.

The previous prime is 1442030417. The next prime is 1442030437. The reversal of 1442030431 is 1340302441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1340302441 = 263 ⋅5096207.

It is a cyclic number.

It is not a de Polignac number, because 1442030431 - 2¹⁵ = 1441997663 is a prime.

It is a super-2 number, since 2×1442030431² = 4158903527860091522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442030437) 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, 903865 + ... + 905458.

It is an arithmetic number, because the mean of its divisors is an integer number (360960138).

Almost surely, 2^1442030431 is an apocalyptic number.

1442030431 is a deficient number, since it is larger than the sum of its proper divisors (1810121).

1442030431 is an equidigital number, since it uses as much as digits as its factorization.

1442030431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810120.

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

The square root of 1442030431 is about 37974.0757754550. The cubic root of 1442030431 is about 1129.7737378187.

Adding to 1442030431 its reverse (1340302441), we get a palindrome (2782332872).

The spelling of 1442030431 in words is "one billion, four hundred forty-two million, thirty thousand, four hundred thirty-one".