1309122330 has 16 divisors (see below), whose sum is σ = 3141893664. Its totient is φ = 349099280.

The previous prime is 1309122329. The next prime is 1309122341. The reversal of 1309122330 is 332219031.

1309122330 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1309122330.

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, 21818676 + ... + 21818735.

It is an arithmetic number, because the mean of its divisors is an integer number (196368354).

Almost surely, 2^1309122330 is an apocalyptic number.

1309122330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1309122330 is an abundant number, since it is smaller than the sum of its proper divisors (1832771334).

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

1309122330 is a wasteful number, since it uses less digits than its factorization.

1309122330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43637421.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 1309122330 is about 36181.7955607513. The cubic root of 1309122330 is about 1093.9397673235.

The spelling of 1309122330 in words is "one billion, three hundred nine million, one hundred twenty-two thousand, three hundred thirty".