30203683140921 has 16 divisors (see below), whose sum is σ = 40294160102400. Its totient is φ = 20124499359888.

The previous prime is 30203683140901. The next prime is 30203683140931. The reversal of 30203683140921 is 12904138630203.

It is not a de Polignac number, because 30203683140921 - 2⁹ = 30203683140409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30203683140901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65394820 + ... + 65855066.

It is an arithmetic number, because the mean of its divisors is an integer number (2518385006400).

Almost surely, 2^{30203683140921} is an apocalyptic number.

It is an amenable number.

30203683140921 is a deficient number, since it is larger than the sum of its proper divisors (10090476961479).

30203683140921 is a wasteful number, since it uses less digits than its factorization.

30203683140921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472468.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 30203683140921 in words is "thirty trillion, two hundred three billion, six hundred eighty-three million, one hundred forty thousand, nine hundred twenty-one".