1130403031 has 4 divisors (see below), whose sum is σ = 1134397672. Its totient is φ = 1126408392.

The previous prime is 1130402993. The next prime is 1130403041. The reversal of 1130403031 is 1303040311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1130403031 - 2⁹ = 1130402519 is a prime.

It is a super-3 number, since 3×1130403031³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130402996 and 1130403014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130403041) 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, 1996896 + ... + 1997461.

It is an arithmetic number, because the mean of its divisors is an integer number (283599418).

Almost surely, 2^1130403031 is an apocalyptic number.

1130403031 is a deficient number, since it is larger than the sum of its proper divisors (3994641).

1130403031 is an equidigital number, since it uses as much as digits as its factorization.

1130403031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994640.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1130403031 is about 33621.4668180911. The cubic root of 1130403031 is about 1041.7042542113.

Adding to 1130403031 its reverse (1303040311), we get a palindrome (2433443342).

The spelling of 1130403031 in words is "one billion, one hundred thirty million, four hundred three thousand, thirty-one".