1020140031166 has 8 divisors (see below), whose sum is σ = 1582975910520. Its totient is φ = 492481394328.

The previous prime is 1020140031139. The next prime is 1020140031173. The reversal of 1020140031166 is 6611300410201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1020140031166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8794310556 + ... + 8794310671.

It is an arithmetic number, because the mean of its divisors is an integer number (197871988815).

Almost surely, 2^{1020140031166} is an apocalyptic number.

1020140031166 is a deficient number, since it is larger than the sum of its proper divisors (562835879354).

1020140031166 is a wasteful number, since it uses less digits than its factorization.

1020140031166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17588621258.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1020140031166 its reverse (6611300410201), we get a palindrome (7631440441367).

The spelling of 1020140031166 in words is "one trillion, twenty billion, one hundred forty million, thirty-one thousand, one hundred sixty-six".