1031131004 has 6 divisors (see below), whose sum is σ = 1804479264. Its totient is φ = 515565500.

The previous prime is 1031130977. The next prime is 1031131019. The reversal of 1031131004 is 4001311301.

It is a super-2 number, since 2×1031131004² = 2126462294820096032, 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 1031131004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128891372 + ... + 128891379.

It is an arithmetic number, because the mean of its divisors is an integer number (300746544).

Almost surely, 2^1031131004 is an apocalyptic number.

It is an amenable number.

1031131004 is a deficient number, since it is larger than the sum of its proper divisors (773348260).

1031131004 is a wasteful number, since it uses less digits than its factorization.

1031131004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257782755 (or 257782753 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1031131004 is about 32111.2286280049. The cubic root of 1031131004 is about 1010.2711437499.

Adding to 1031131004 its reverse (4001311301), we get a palindrome (5032442305).

The spelling of 1031131004 in words is "one billion, thirty-one million, one hundred thirty-one thousand, four".