1320134031 has 80 divisors (see below), whose sum is σ = 2177128800. Its totient is φ = 793774080.

The previous prime is 1320133957. The next prime is 1320134033. The reversal of 1320134031 is 1304310231.

1320134031 is a `hidden beast` number, since 1 + 320 + 1 + 340 + 3 + 1 = 666.

It is not a de Polignac number, because 1320134031 - 2¹⁰ = 1320133007 is a prime.

It is a super-2 number, since 2×1320134031² = 3485507719608617922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320133995 and 1320134013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320134033) 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 79 ways as a sum of consecutive naturals, for example, 3782445 + ... + 3782793.

It is an arithmetic number, because the mean of its divisors is an integer number (27214110).

Almost surely, 2^1320134031 is an apocalyptic number.

1320134031 is a deficient number, since it is larger than the sum of its proper divisors (856994769).

1320134031 is a wasteful number, since it uses less digits than its factorization.

1320134031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1320134031 is about 36333.6487432793. The cubic root of 1320134031 is about 1096.9984372152.

Adding to 1320134031 its reverse (1304310231), we get a palindrome (2624444262).

The spelling of 1320134031 in words is "one billion, three hundred twenty million, one hundred thirty-four thousand, thirty-one".