1130000031 has 16 divisors (see below), whose sum is σ = 1675307520. Its totient is φ = 752778360.

The previous prime is 1130000029. The next prime is 1130000033. The reversal of 1130000031 is 1300000311.

It is an interprime number because it is at equal distance from previous prime (1130000029) and next prime (1130000033).

It is not a de Polignac number, because 1130000031 - 2¹ = 1130000029 is a prime.

It is a super-2 number, since 2×1130000031² = 2553800140120001922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1129999968 and 1130000022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130000033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23716 + ... + 53126.

It is an arithmetic number, because the mean of its divisors is an integer number (104706720).

Almost surely, 2^1130000031 is an apocalyptic number.

1130000031 is a deficient number, since it is larger than the sum of its proper divisors (545307489).

1130000031 is a wasteful number, since it uses less digits than its factorization.

1130000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30843 (or 30837 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1130000031 is about 33615.4730890404. The cubic root of 1130000031 is about 1041.5804468313.

Adding to 1130000031 its reverse (1300000311), we get a palindrome (2430000342).

The spelling of 1130000031 in words is "one billion, one hundred thirty million, thirty-one", and thus it is an aban number.