1130520031 has 2 divisors, whose sum is σ = 1130520032. Its totient is φ = 1130520030.

The previous prime is 1130519947. The next prime is 1130520037. The reversal of 1130520031 is 1300250311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1130520031 - 2⁹ = 1130519519 is a prime.

It is a super-2 number, since 2×1130520031² = 2556151080984481922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1130519987 and 1130520014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130520037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565260015 + 565260016.

It is an arithmetic number, because the mean of its divisors is an integer number (565260016).

Almost surely, 2^1130520031 is an apocalyptic number.

1130520031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130520031 is an equidigital number, since it uses as much as digits as its factorization.

1130520031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1130520031 is about 33623.2067328505. The cubic root of 1130520031 is about 1041.7401927777.

Adding to 1130520031 its reverse (1300250311), we get a palindrome (2430770342).

The spelling of 1130520031 in words is "one billion, one hundred thirty million, five hundred twenty thousand, thirty-one".