1031223442 has 16 divisors (see below), whose sum is σ = 1631028960. Its totient is φ = 487639872.

The previous prime is 1031223439. The next prime is 1031223443. The reversal of 1031223442 is 2443221301.

It is not an unprimeable number, because it can be changed into a prime (1031223443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348 + ... + 45415.

It is an arithmetic number, because the mean of its divisors is an integer number (101939310).

Almost surely, 2^1031223442 is an apocalyptic number.

1031223442 is a deficient number, since it is larger than the sum of its proper divisors (599805518).

1031223442 is a wasteful number, since it uses less digits than its factorization.

1031223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46377.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1031223442 is about 32112.6679365013. The cubic root of 1031223442 is about 1010.3013321718.

Adding to 1031223442 its reverse (2443221301), we get a palindrome (3474444743).

The spelling of 1031223442 in words is "one billion, thirty-one million, two hundred twenty-three thousand, four hundred forty-two".