1031120223 has 8 divisors (see below), whose sum is σ = 1571230848. Its totient is φ = 589211544.

The previous prime is 1031120219. The next prime is 1031120231. The reversal of 1031120223 is 3220211301.

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

It is not a de Polignac number, because 1031120223 - 2² = 1031120219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031120203) 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, 24550461 + ... + 24550502.

It is an arithmetic number, because the mean of its divisors is an integer number (196403856).

Almost surely, 2^1031120223 is an apocalyptic number.

1031120223 is a deficient number, since it is larger than the sum of its proper divisors (540110625).

1031120223 is an equidigital number, since it uses as much as digits as its factorization.

1031120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49100973.

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

The square root of 1031120223 is about 32111.0607579382. The cubic root of 1031120223 is about 1010.2676227711.

Adding to 1031120223 its reverse (3220211301), we get a palindrome (4251331524).

The spelling of 1031120223 in words is "one billion, thirty-one million, one hundred twenty thousand, two hundred twenty-three".