1130420531 has 2 divisors, whose sum is σ = 1130420532. Its totient is φ = 1130420530.

The previous prime is 1130420521. The next prime is 1130420539. The reversal of 1130420531 is 1350240311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130420531 is a prime.

It is a super-3 number, since 3×1130420531³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1130420539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565210265 + 565210266.

It is an arithmetic number, because the mean of its divisors is an integer number (565210266).

Almost surely, 2^1130420531 is an apocalyptic number.

1130420531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130420531 is an equidigital number, since it uses as much as digits as its factorization.

1130420531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1130420531 is about 33621.7270674783. The cubic root of 1130420531 is about 1041.7096297956.

Adding to 1130420531 its reverse (1350240311), we get a palindrome (2480660842).

The spelling of 1130420531 in words is "one billion, one hundred thirty million, four hundred twenty thousand, five hundred thirty-one".