1031403442 has 4 divisors (see below), whose sum is σ = 1547105166. Its totient is φ = 515701720.

The previous prime is 1031403437. The next prime is 1031403463. The reversal of 1031403442 is 2443041301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 927750681 + 103652761 = 30459^2 + 10181^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257850859 + ... + 257850862.

Almost surely, 2^1031403442 is an apocalyptic number.

1031403442 is a deficient number, since it is larger than the sum of its proper divisors (515701724).

1031403442 is an equidigital number, since it uses as much as digits as its factorization.

1031403442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515701723.

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

The square root of 1031403442 is about 32115.4704464998. The cubic root of 1031403442 is about 1010.3601114342.

Adding to 1031403442 its reverse (2443041301), we get a palindrome (3474444743).

The spelling of 1031403442 in words is "one billion, thirty-one million, four hundred three thousand, four hundred forty-two".