1300012531 has 8 divisors (see below), whose sum is σ = 1309395024. Its totient is φ = 1290647520.

The previous prime is 1300012481. The next prime is 1300012561. The reversal of 1300012531 is 1352100031.

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

It is a cyclic number.

It is not a de Polignac number, because 1300012531 - 2⁷ = 1300012403 is a prime.

It is a super-2 number, since 2×1300012531² = 3380065161514051922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300012561) 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, 169185 + ... + 176701.

It is an arithmetic number, because the mean of its divisors is an integer number (163674378).

Almost surely, 2^1300012531 is an apocalyptic number.

1300012531 is a deficient number, since it is larger than the sum of its proper divisors (9382493).

1300012531 is a wasteful number, since it uses less digits than its factorization.

1300012531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8741.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1300012531 is about 36055.6865279251. The cubic root of 1300012531 is about 1091.3963897791.

Adding to 1300012531 its reverse (1352100031), we get a palindrome (2652112562).

The spelling of 1300012531 in words is "one billion, three hundred million, twelve thousand, five hundred thirty-one".