1031131002 has 16 divisors (see below), whose sum is σ = 2249740512. Its totient is φ = 312463920.

The previous prime is 1031130977. The next prime is 1031131019. The reversal of 1031131002 is 2001311301.

It is a super-2 number, since 2×1031131002² = 2126462286571048008, which contains 22 as substring.

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, 7811533 + ... + 7811664.

It is an arithmetic number, because the mean of its divisors is an integer number (140608782).

Almost surely, 2^1031131002 is an apocalyptic number.

1031131002 is an abundant number, since it is smaller than the sum of its proper divisors (1218609510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031131002 is a wasteful number, since it uses less digits than its factorization.

1031131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15623213.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1031131002 is about 32111.2285968631. The cubic root of 1031131002 is about 1010.2711430967.

Adding to 1031131002 its reverse (2001311301), we get a palindrome (3032442303).

The spelling of 1031131002 in words is "one billion, thirty-one million, one hundred thirty-one thousand, two".