1213034307 has 32 divisors (see below), whose sum is σ = 1684737600. Its totient is φ = 775733760.

The previous prime is 1213034299. The next prime is 1213034363. The reversal of 1213034307 is 7034303121.

It is not a de Polignac number, because 1213034307 - 2³ = 1213034299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213034377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3475569 + ... + 3475917.

It is an arithmetic number, because the mean of its divisors is an integer number (52648050).

Almost surely, 2^1213034307 is an apocalyptic number.

1213034307 is a deficient number, since it is larger than the sum of its proper divisors (471703293).

1213034307 is a wasteful number, since it uses less digits than its factorization.

1213034307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 1213034307 is about 34828.6420493249. The cubic root of 1213034307 is about 1066.4922272143.

Adding to 1213034307 its reverse (7034303121), we get a palindrome (8247337428).

The spelling of 1213034307 in words is "one billion, two hundred thirteen million, thirty-four thousand, three hundred seven".