1304011322531 has 16 divisors (see below), whose sum is σ = 1312104044160. Its totient is φ = 1295946562560.

The previous prime is 1304011322521. The next prime is 1304011322533. The reversal of 1304011322531 is 1352231104031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304011322531 is a prime.

It is a super-2 number, since 2×1304011322531² (a number of 25 digits) 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 1304011322531.

It is not an unprimeable number, because it can be changed into a prime (1304011322533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418084790 + ... + 418087908.

It is an arithmetic number, because the mean of its divisors is an integer number (82006502760).

Almost surely, 2^{1304011322531} is an apocalyptic number.

1304011322531 is a deficient number, since it is larger than the sum of its proper divisors (8092721629).

1304011322531 is a wasteful number, since it uses less digits than its factorization.

1304011322531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1304011322531 its reverse (1352231104031), we get a palindrome (2656242426562).

The spelling of 1304011322531 in words is "one trillion, three hundred four billion, eleven million, three hundred twenty-two thousand, five hundred thirty-one".