1300031012 has 24 divisors (see below), whose sum is σ = 2635683456. Its totient is φ = 549523008.

The previous prime is 1300030969. The next prime is 1300031059. The reversal of 1300031012 is 2101300031.

It is a junction number, because it is equal to n+sod(n) for n = 1300030984 and 1300031002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315968 + ... + 320055.

It is an arithmetic number, because the mean of its divisors is an integer number (109820144).

Almost surely, 2^1300031012 is an apocalyptic number.

It is an amenable number.

1300031012 is an abundant number, since it is smaller than the sum of its proper divisors (1335652444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1300031012 is a wasteful number, since it uses less digits than its factorization.

1300031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636107 (or 636105 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1300031012 is about 36055.9428111373. The cubic root of 1300031012 is about 1091.4015615244.

Adding to 1300031012 its reverse (2101300031), we get a palindrome (3401331043).

The spelling of 1300031012 in words is "one billion, three hundred million, thirty-one thousand, twelve".