309323049076 has 12 divisors (see below), whose sum is σ = 541371504100. Its totient is φ = 154645476480.

The previous prime is 309323049071. The next prime is 309323049121. The reversal of 309323049076 is 670940323903.

It can be written as a sum of positive squares in 2 ways, for example, as 102352645476 + 206970403600 = 319926^2 + 454940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309323049071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968595 + ... + 4045786.

Almost surely, 2^309323049076 is an apocalyptic number.

It is an amenable number.

309323049076 is a deficient number, since it is larger than the sum of its proper divisors (232048455024).

309323049076 is a wasteful number, since it uses less digits than its factorization.

309323049076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8024034 (or 8024032 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 46.

The spelling of 309323049076 in words is "three hundred nine billion, three hundred twenty-three million, forty-nine thousand, seventy-six".