1132020231 has 8 divisors (see below), whose sum is σ = 1509702000. Its totient is φ = 754509312.

The previous prime is 1132020229. The next prime is 1132020257. The reversal of 1132020231 is 1320202311.

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

It is not a de Polignac number, because 1132020231 - 2¹ = 1132020229 is a prime.

It is a super-2 number, since 2×1132020231² = 2562939606786586722, 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 1132020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132028231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26356 + ... + 54393.

It is an arithmetic number, because the mean of its divisors is an integer number (188712750).

Almost surely, 2^1132020231 is an apocalyptic number.

1132020231 is a deficient number, since it is larger than the sum of its proper divisors (377681769).

1132020231 is an equidigital number, since it uses as much as digits as its factorization.

1132020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85425.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1132020231 is about 33645.5083332085. The cubic root of 1132020231 is about 1042.2007854892.

Adding to 1132020231 its reverse (1320202311), we get a palindrome (2452222542).

The spelling of 1132020231 in words is "one billion, one hundred thirty-two million, twenty thousand, two hundred thirty-one".