1000673031 has 4 divisors (see below), whose sum is σ = 1334230712. Its totient is φ = 667115352.

The previous prime is 1000673027. The next prime is 1000673033. The reversal of 1000673031 is 1303760001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1000673031 - 2² = 1000673027 is a prime.

It is a super-2 number, since 2×1000673031² = 2002693029941453922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000672989 and 1000673007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000673033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166778836 + ... + 166778841.

It is an arithmetic number, because the mean of its divisors is an integer number (333557678).

Almost surely, 2^1000673031 is an apocalyptic number.

1000673031 is a deficient number, since it is larger than the sum of its proper divisors (333557681).

1000673031 is an equidigital number, since it uses as much as digits as its factorization.

1000673031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333557680.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 1000673031 is about 31633.4163662416. The cubic root of 1000673031 is about 1000.2242933554.

The spelling of 1000673031 in words is "one billion, six hundred seventy-three thousand, thirty-one".