1328134031 has 4 divisors (see below), whose sum is σ = 1517867472. Its totient is φ = 1138400592.

The previous prime is 1328134021. The next prime is 1328134043. The reversal of 1328134031 is 1304318231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1304318231 = 709 ⋅1839659.

It is not a de Polignac number, because 1328134031 - 2¹⁴ = 1328117647 is a prime.

It is a super-2 number, since 2×1328134031² = 3527880008600617922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328134021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94866710 + ... + 94866723.

It is an arithmetic number, because the mean of its divisors is an integer number (379466868).

Almost surely, 2^1328134031 is an apocalyptic number.

1328134031 is a deficient number, since it is larger than the sum of its proper divisors (189733441).

1328134031 is an equidigital number, since it uses as much as digits as its factorization.

1328134031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189733440.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1328134031 is about 36443.5732468703. The cubic root of 1328134031 is about 1099.2099095017.

The spelling of 1328134031 in words is "one billion, three hundred twenty-eight million, one hundred thirty-four thousand, thirty-one".