1420245031 has 2 divisors, whose sum is σ = 1420245032. Its totient is φ = 1420245030.

The previous prime is 1420245023. The next prime is 1420245077. The reversal of 1420245031 is 1305420241.

It is a weak prime.

It is an emirp because it is prime and its reverse (1305420241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1420245031 - 2³ = 1420245023 is a prime.

It is a super-3 number, since 3×1420245031³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1420244993 and 1420245011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420245011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710122515 + 710122516.

It is an arithmetic number, because the mean of its divisors is an integer number (710122516).

Almost surely, 2^1420245031 is an apocalyptic number.

1420245031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420245031 is an equidigital number, since it uses as much as digits as its factorization.

1420245031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1420245031 is about 37686.1384463837. The cubic root of 1420245031 is about 1124.0555117423.

Adding to 1420245031 its reverse (1305420241), we get a palindrome (2725665272).

The spelling of 1420245031 in words is "one billion, four hundred twenty million, two hundred forty-five thousand, thirty-one".