1130402231 has 8 divisors (see below), whose sum is σ = 1308241920. Its totient is φ = 956650968.

The previous prime is 1130402219. The next prime is 1130402239. The reversal of 1130402231 is 1322040311.

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

It is not a de Polignac number, because 1130402231 - 2³⁰ = 56660407 is a prime.

It is a super-3 number, since 3×1130402231³ (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130402239) 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, 1021511 + ... + 1022616.

It is an arithmetic number, because the mean of its divisors is an integer number (163530240).

Almost surely, 2^1130402231 is an apocalyptic number.

1130402231 is a deficient number, since it is larger than the sum of its proper divisors (177839689).

1130402231 is an equidigital number, since it uses as much as digits as its factorization.

1130402231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044213.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1130402231 is about 33621.4549209281. The cubic root of 1130402231 is about 1041.7040084690.

Adding to 1130402231 its reverse (1322040311), we get a palindrome (2452442542).

The spelling of 1130402231 in words is "one billion, one hundred thirty million, four hundred two thousand, two hundred thirty-one".