1130220031 has 2 divisors, whose sum is σ = 1130220032. Its totient is φ = 1130220030.

The previous prime is 1130220029. The next prime is 1130220043. The reversal of 1130220031 is 1300220311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1130220031 - 2¹ = 1130220029 is a prime.

It is a super-2 number, since 2×1130220031² = 2554794636947281922, which contains 22 as substring.

Together with 1130220029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1130219993 and 1130220020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130220001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565110015 + 565110016.

It is an arithmetic number, because the mean of its divisors is an integer number (565110016).

Almost surely, 2^1130220031 is an apocalyptic number.

1130220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130220031 is an equidigital number, since it uses as much as digits as its factorization.

1130220031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1130220031 is about 33618.7452323849. The cubic root of 1130220031 is about 1041.6480376345.

Adding to 1130220031 its reverse (1300220311), we get a palindrome (2430440342).

The spelling of 1130220031 in words is "one billion, one hundred thirty million, two hundred twenty thousand, thirty-one".