1351420531 has 8 divisors (see below), whose sum is σ = 1370969600. Its totient is φ = 1331932680.

The previous prime is 1351420519. The next prime is 1351420549. The reversal of 1351420531 is 1350241531.

It is a happy number.

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 1351420531 - 2¹⁹ = 1350896243 is a prime.

It is a super-2 number, since 2×1351420531² = 3652674903216643922, 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 = 1351420496 and 1351420505.

It is not an unprimeable number, because it can be changed into a prime (1351450531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30130 + ... + 60088.

It is an arithmetic number, because the mean of its divisors is an integer number (171371200).

Almost surely, 2^1351420531 is an apocalyptic number.

1351420531 is a deficient number, since it is larger than the sum of its proper divisors (19549069).

1351420531 is an equidigital number, since it uses as much as digits as its factorization.

1351420531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30609.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1351420531 is about 36761.6720375992. The cubic root of 1351420531 is about 1105.5969641444.

The spelling of 1351420531 in words is "one billion, three hundred fifty-one million, four hundred twenty thousand, five hundred thirty-one".