30540223131421 has 16 divisors (see below), whose sum is σ = 32429497063680. Its totient is φ = 28661272646400.

The previous prime is 30540223131389. The next prime is 30540223131491. The reversal of 30540223131421 is 12413132204503.

It is a cyclic number.

It is not a de Polignac number, because 30540223131421 - 2⁵ = 30540223131389 is a prime.

It is a super-2 number, since 2×30540223131421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30540223131491) 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, 74869600 + ... + 75276406.

It is an arithmetic number, because the mean of its divisors is an integer number (2026843566480).

Almost surely, 2^{30540223131421} is an apocalyptic number.

It is an amenable number.

30540223131421 is a deficient number, since it is larger than the sum of its proper divisors (1889273932259).

30540223131421 is a wasteful number, since it uses less digits than its factorization.

30540223131421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419484.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 30540223131421 its reverse (12413132204503), we get a palindrome (42953355335924).

The spelling of 30540223131421 in words is "thirty trillion, five hundred forty billion, two hundred twenty-three million, one hundred thirty-one thousand, four hundred twenty-one".