1301304531 has 16 divisors (see below), whose sum is σ = 1766949120. Its totient is φ = 851639520.

The previous prime is 1301304523. The next prime is 1301304533. The reversal of 1301304531 is 1354031031.

It is not a de Polignac number, because 1301304531 - 2³ = 1301304523 is a prime.

It is a super-3 number, since 3×1301304531³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1301304498 and 1301304507.

It is not an unprimeable number, because it can be changed into a prime (1301304533) 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, 132066 + ... + 141576.

It is an arithmetic number, because the mean of its divisors is an integer number (110434320).

Almost surely, 2^1301304531 is an apocalyptic number.

1301304531 is a deficient number, since it is larger than the sum of its proper divisors (465644589).

1301304531 is an equidigital number, since it uses as much as digits as its factorization.

1301304531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10346.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1301304531 is about 36073.5988085470. The cubic root of 1301304531 is about 1091.7578266188.

Adding to 1301304531 its reverse (1354031031), we get a palindrome (2655335562).

The spelling of 1301304531 in words is "one billion, three hundred one million, three hundred four thousand, five hundred thirty-one".