1031119642 has 12 divisors (see below), whose sum is σ = 1799198730. Its totient is φ = 441908376.

The previous prime is 1031119631. The next prime is 1031119673. The reversal of 1031119642 is 2469111301.

It can be written as a sum of positive squares in only one way, i.e., 938748321 + 92371321 = 30639^2 + 9611^2 .

It is a super-3 number, since 3×1031119642³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1031119642.

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 5 ways as a sum of consecutive naturals, for example, 5260717 + ... + 5260912.

Almost surely, 2^1031119642 is an apocalyptic number.

1031119642 is a deficient number, since it is larger than the sum of its proper divisors (768079088).

1031119642 is a wasteful number, since it uses less digits than its factorization.

1031119642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521645 (or 10521638 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1031119642 is about 32111.0517112100. The cubic root of 1031119642 is about 1010.2674330209.

The spelling of 1031119642 in words is "one billion, thirty-one million, one hundred nineteen thousand, six hundred forty-two".