1031210442 has 24 divisors (see below), whose sum is σ = 2247211044. Its totient is φ = 341748864.

The previous prime is 1031210431. The next prime is 1031210459. The reversal of 1031210442 is 2440121301.

1031210442 is a `hidden beast` number, since 10 + 3 + 1 + 210 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 773896761 + 257313681 = 27819^2 + 16041^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 162463 + ... + 168690.

Almost surely, 2^1031210442 is an apocalyptic number.

1031210442 is an abundant number, since it is smaller than the sum of its proper divisors (1216000602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031210442 is a wasteful number, since it uses less digits than its factorization.

1031210442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331334 (or 331331 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1031210442 is about 32112.4655235315. The cubic root of 1031210442 is about 1010.2970867380.

Adding to 1031210442 its reverse (2440121301), we get a palindrome (3471331743).

The spelling of 1031210442 in words is "one billion, thirty-one million, two hundred ten thousand, four hundred forty-two".