1420533131 has 8 divisors (see below), whose sum is σ = 1438409280. Its totient is φ = 1402675272.

The previous prime is 1420533113. The next prime is 1420533133. The reversal of 1420533131 is 1313350241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420533131 - 2¹⁸ = 1420270987 is a prime.

It is a super-2 number, since 2×1420533131² = 4035828752537326322, 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 = 1420533097 and 1420533106.

It is not an unprimeable number, because it can be changed into a prime (1420533133) 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 in 7 ways as a sum of consecutive naturals, for example, 219500 + ... + 225878.

It is an arithmetic number, because the mean of its divisors is an integer number (179801160).

Almost surely, 2^1420533131 is an apocalyptic number.

1420533131 is a deficient number, since it is larger than the sum of its proper divisors (17876149).

1420533131 is an equidigital number, since it uses as much as digits as its factorization.

1420533131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1420533131 is about 37689.9606128741. The cubic root of 1420533131 is about 1124.1315123598.

Adding to 1420533131 its reverse (1313350241), we get a palindrome (2733883372).

The spelling of 1420533131 in words is "one billion, four hundred twenty million, five hundred thirty-three thousand, one hundred thirty-one".