1000116031 has 8 divisors (see below), whose sum is σ = 1027543104. Its totient is φ = 972709920.

The previous prime is 1000116023. The next prime is 1000116041. The reversal of 1000116031 is 1306110001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1000116031 - 2³ = 1000116023 is a prime.

It is a super-2 number, since 2×1000116031² = 2000464150926385922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000116041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172266 + ... + 177976.

It is an arithmetic number, because the mean of its divisors is an integer number (128442888).

Almost surely, 2^1000116031 is an apocalyptic number.

1000116031 is a deficient number, since it is larger than the sum of its proper divisors (27427073).

1000116031 is an equidigital number, since it uses as much as digits as its factorization.

1000116031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10481.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1000116031 is about 31624.6111596649. The cubic root of 1000116031 is about 1000.0386755042.

Adding to 1000116031 its reverse (1306110001), we get a palindrome (2306226032).

The spelling of 1000116031 in words is "one billion, one hundred sixteen thousand, thirty-one".