1001031142 has 8 divisors (see below), whose sum is σ = 1536466536. Its totient is φ = 488875632.

The previous prime is 1001031091. The next prime is 1001031221. The reversal of 1001031142 is 2411301001.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5819863 + ... + 5820034.

It is an arithmetic number, because the mean of its divisors is an integer number (192058317).

Almost surely, 2^1001031142 is an apocalyptic number.

1001031142 is a deficient number, since it is larger than the sum of its proper divisors (535435394).

1001031142 is a wasteful number, since it uses less digits than its factorization.

1001031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11639942.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1001031142 is about 31639.0761875248. The cubic root of 1001031142 is about 1000.3435959283.

Adding to 1001031142 its reverse (2411301001), we get a palindrome (3412332143).

The spelling of 1001031142 in words is "one billion, one million, thirty-one thousand, one hundred forty-two".