1120231312 has 10 divisors (see below), whose sum is σ = 2170448198. Its totient is φ = 560115648.

The previous prime is 1120231309. The next prime is 1120231331. The reversal of 1120231312 is 2131320211.

It can be written as a sum of positive squares in only one way, i.e., 569108736 + 551122576 = 23856^2 + 23476^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 70014457 = 1120231312 / (1 + 1 + 2 + 0 + 2 + 3 + 1 + 3 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35007213 + ... + 35007244.

Almost surely, 2^1120231312 is an apocalyptic number.

It is an amenable number.

1120231312 is a deficient number, since it is larger than the sum of its proper divisors (1050216886).

1120231312 is an equidigital number, since it uses as much as digits as its factorization.

1120231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70014465 (or 70014459 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1120231312 is about 33469.8567669478. The cubic root of 1120231312 is about 1038.5703086749.

Adding to 1120231312 its reverse (2131320211), we get a palindrome (3251551523).

The spelling of 1120231312 in words is "one billion, one hundred twenty million, two hundred thirty-one thousand, three hundred twelve".