1130321031 has 8 divisors (see below), whose sum is σ = 1722393984. Its totient is φ = 645897720.

The previous prime is 1130321009. The next prime is 1130321057. The reversal of 1130321031 is 1301230311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1130321031 - 2⁵ = 1130320999 is a prime.

It is a super-2 number, since 2×1130321031² = 2555251266241805922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1130321031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130321431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26912385 + ... + 26912426.

It is an arithmetic number, because the mean of its divisors is an integer number (215299248).

Almost surely, 2^1130321031 is an apocalyptic number.

1130321031 is a deficient number, since it is larger than the sum of its proper divisors (592072953).

1130321031 is an equidigital number, since it uses as much as digits as its factorization.

1130321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53824821.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1130321031 is about 33620.2473369843. The cubic root of 1130321031 is about 1041.6790650201.

Adding to 1130321031 its reverse (1301230311), we get a palindrome (2431551342).

The spelling of 1130321031 in words is "one billion, one hundred thirty million, three hundred twenty-one thousand, thirty-one".