1422031431 has 4 divisors (see below), whose sum is σ = 1896041912. Its totient is φ = 948020952.

The previous prime is 1422031423. The next prime is 1422031433. The reversal of 1422031431 is 1341302241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1341302241 = 3 ⋅447100747.

It is not a de Polignac number, because 1422031431 - 2³ = 1422031423 is a prime.

It is a super-2 number, since 2×1422031431² = 4044346781503815522, 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 = 1422031398 and 1422031407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422031433) 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, 237005236 + ... + 237005241.

It is an arithmetic number, because the mean of its divisors is an integer number (474010478).

Almost surely, 2^1422031431 is an apocalyptic number.

1422031431 is a deficient number, since it is larger than the sum of its proper divisors (474010481).

1422031431 is an equidigital number, since it uses as much as digits as its factorization.

1422031431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474010480.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1422031431 is about 37709.8320203100. The cubic root of 1422031431 is about 1124.5265974611.

Adding to 1422031431 its reverse (1341302241), we get a palindrome (2763333672).

The spelling of 1422031431 in words is "one billion, four hundred twenty-two million, thirty-one thousand, four hundred thirty-one".