1130002531 has 4 divisors (see below), whose sum is σ = 1291431472. Its totient is φ = 968573592.

The previous prime is 1130002519. The next prime is 1130002537. The reversal of 1130002531 is 1352000311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1352000311 = 613 ⋅2205547.

It is not a de Polignac number, because 1130002531 - 2²³ = 1121613923 is a prime.

It is a super-2 number, since 2×1130002531² = 2553811440132811922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130002537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80714460 + ... + 80714473.

It is an arithmetic number, because the mean of its divisors is an integer number (322857868).

Almost surely, 2^1130002531 is an apocalyptic number.

1130002531 is a deficient number, since it is larger than the sum of its proper divisors (161428941).

1130002531 is an equidigital number, since it uses as much as digits as its factorization.

1130002531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161428940.

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

The square root of 1130002531 is about 33615.5102742767. The cubic root of 1130002531 is about 1041.5812149579.

Adding to 1130002531 its reverse (1352000311), we get a palindrome (2482002842).

The spelling of 1130002531 in words is "one billion, one hundred thirty million, two thousand, five hundred thirty-one".