1420214431 has 2 divisors, whose sum is σ = 1420214432. Its totient is φ = 1420214430.

The previous prime is 1420214423. The next prime is 1420214437. The reversal of 1420214431 is 1344120241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1420214431 - 2³ = 1420214423 is a prime.

It is a super-2 number, since 2×1420214431² = 4034018060041307522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420214437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710107215 + 710107216.

It is an arithmetic number, because the mean of its divisors is an integer number (710107216).

Almost surely, 2^1420214431 is an apocalyptic number.

1420214431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420214431 is an equidigital number, since it uses as much as digits as its factorization.

1420214431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1420214431 is about 37685.7324593804. The cubic root of 1420214431 is about 1124.0474388758.

Adding to 1420214431 its reverse (1344120241), we get a palindrome (2764334672).

The spelling of 1420214431 in words is "one billion, four hundred twenty million, two hundred fourteen thousand, four hundred thirty-one".