1031448131 has 8 divisors (see below), whose sum is σ = 1182197760. Its totient is φ = 881548488.

The previous prime is 1031448127. The next prime is 1031448137. The reversal of 1031448131 is 1318441301.

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

It is a cyclic number.

It is not a de Polignac number, because 1031448131 - 2² = 1031448127 is a prime.

It is a super-2 number, since 2×1031448131² = 2127770493886786322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031448131.

It is not an unprimeable number, because it can be changed into a prime (1031448137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209891 + ... + 214748.

It is an arithmetic number, because the mean of its divisors is an integer number (147774720).

Almost surely, 2^1031448131 is an apocalyptic number.

1031448131 is a deficient number, since it is larger than the sum of its proper divisors (150749629).

1031448131 is an equidigital number, since it uses as much as digits as its factorization.

1031448131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424993.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1031448131 is about 32116.1661939902. The cubic root of 1031448131 is about 1010.3747036326.

Adding to 1031448131 its reverse (1318441301), we get a palindrome (2349889432).

The spelling of 1031448131 in words is "one billion, thirty-one million, four hundred forty-eight thousand, one hundred thirty-one".