1020031004 has 24 divisors (see below), whose sum is σ = 1821128400. Its totient is φ = 499734144.

The previous prime is 1020030983. The next prime is 1020031021. The reversal of 1020031004 is 4001300201.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184472 + ... + 189920.

It is an arithmetic number, because the mean of its divisors is an integer number (75880350).

Almost surely, 2^1020031004 is an apocalyptic number.

It is an amenable number.

1020031004 is a deficient number, since it is larger than the sum of its proper divisors (801097396).

1020031004 is a wasteful number, since it uses less digits than its factorization.

1020031004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389 (or 6387 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1020031004 is about 31937.9242281022. The cubic root of 1020031004 is about 1006.6329085844.

Adding to 1020031004 its reverse (4001300201), we get a palindrome (5021331205).

The spelling of 1020031004 in words is "one billion, twenty million, thirty-one thousand, four".