30936940321 has 9 divisors (see below), whose sum is σ = 35989301649. Its totient is φ = 26516322084.

The previous prime is 30936940291. The next prime is 30936940367. The reversal of 30936940321 is 12304963903.

The square root of 30936940321 is 175889.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 30936940321 - 2¹¹ = 30936938273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30936940381) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1218660 + ... + 1243786.

Almost surely, 2^30936940321 is an apocalyptic number.

30936940321 is the 175889-th square number.

30936940321 is the 87945-th centered octagonal number.

It is an amenable number.

30936940321 is a deficient number, since it is larger than the sum of its proper divisors (5052361328).

30936940321 is an frugal number, since it uses more digits than its factorization.

30936940321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50268 (or 25134 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 30936940321 in words is "thirty billion, nine hundred thirty-six million, nine hundred forty thousand, three hundred twenty-one".