1304021032131 has 8 divisors (see below), whose sum is σ = 1738713883984. Its totient is φ = 869337767520.

The previous prime is 1304021032031. The next prime is 1304021032133. The reversal of 1304021032131 is 1312301204031.

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

It is not a de Polignac number, because 1304021032131 - 2²¹ = 1304018934979 is a prime.

It is a super-2 number, since 2×1304021032131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304021032098 and 1304021032107.

It is not an unprimeable number, because it can be changed into a prime (1304021032133) 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, 2073196 + ... + 2627961.

It is an arithmetic number, because the mean of its divisors is an integer number (217339235498).

Almost surely, 2^{1304021032131} is an apocalyptic number.

1304021032131 is a deficient number, since it is larger than the sum of its proper divisors (434692851853).

1304021032131 is an equidigital number, since it uses as much as digits as its factorization.

1304021032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793621.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1304021032131 its reverse (1312301204031), we get a palindrome (2616322236162).

The spelling of 1304021032131 in words is "one trillion, three hundred four billion, twenty-one million, thirty-two thousand, one hundred thirty-one".