1000002831 has 8 divisors (see below), whose sum is σ = 1334269440. Its totient is φ = 666202392.

The previous prime is 1000002827. The next prime is 1000002907. The reversal of 1000002831 is 1382000001.

It is a happy number.

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

It is not a de Polignac number, because 1000002831 - 2² = 1000002827 is a prime.

It is a super-2 number, since 2×1000002831² = 2000011324016029122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000002831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000002821) 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, 111505 + ... + 120138.

It is an arithmetic number, because the mean of its divisors is an integer number (166783680).

Almost surely, 2^1000002831 is an apocalyptic number.

1000002831 is a deficient number, since it is larger than the sum of its proper divisors (334266609).

1000002831 is a wasteful number, since it uses less digits than its factorization.

1000002831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233085.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1000002831 is about 31622.8213636924. The cubic root of 1000002831 is about 1000.0009436658. Note that the first 3 decimals are identical.

Adding to 1000002831 its reverse (1382000001), we get a palindrome (2382002832).

It can be divided in two parts, 100000 and 2831, that added together give a triangular number (102831 = T₄₅₃).

The spelling of 1000002831 in words is "one billion, two thousand, eight hundred thirty-one".