1031133131 has 8 divisors (see below), whose sum is σ = 1210287840. Its totient is φ = 859940928.

The previous prime is 1031133127. The next prime is 1031133137. The reversal of 1031133131 is 1313311301.

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

It is not a de Polignac number, because 1031133131 - 2² = 1031133127 is a prime.

It is a super-2 number, since 2×1031133131² = 2126471067691726322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031133137) 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, 1990346 + ... + 1990863.

It is an arithmetic number, because the mean of its divisors is an integer number (151285980).

Almost surely, 2^1031133131 is an apocalyptic number.

1031133131 is a deficient number, since it is larger than the sum of its proper divisors (179154709).

1031133131 is an equidigital number, since it uses as much as digits as its factorization.

1031133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981253.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1031133131 is about 32111.2617472438. The cubic root of 1031133131 is about 1010.2718384063.

Adding to 1031133131 its reverse (1313311301), we get a palindrome (2344444432).

The spelling of 1031133131 in words is "one billion, thirty-one million, one hundred thirty-three thousand, one hundred thirty-one".