1420533031 has 2 divisors, whose sum is σ = 1420533032. Its totient is φ = 1420533030.

The previous prime is 1420533019. The next prime is 1420533053. The reversal of 1420533031 is 1303350241.

It is an a-pointer prime, because the next prime (1420533053) can be obtained adding 1420533031 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1420533031 - 2⁵ = 1420532999 is a prime.

It is a super-2 number, since 2×1420533031² = 4035828184324093922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1420532993 and 1420533011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420533011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710266515 + 710266516.

It is an arithmetic number, because the mean of its divisors is an integer number (710266516).

Almost surely, 2^1420533031 is an apocalyptic number.

1420533031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420533031 is an equidigital number, since it uses as much as digits as its factorization.

1420533031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1420533031 is about 37689.9592862608. The cubic root of 1420533031 is about 1124.1314859817.

Adding to 1420533031 its reverse (1303350241), we get a palindrome (2723883272).

It can be divided in two parts, 14205330 and 31, that added together give a square (14205361 = 3769²).

The spelling of 1420533031 in words is "one billion, four hundred twenty million, five hundred thirty-three thousand, thirty-one".