30771092481 has 4 divisors (see below), whose sum is σ = 41028123312. Its totient is φ = 20514061652.

The previous prime is 30771092467. The next prime is 30771092531. The reversal of 30771092481 is 18429017703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18429017703 = 3 ⋅6143005901.

It is a cyclic number.

It is not a de Polignac number, because 30771092481 - 2⁹ = 30771091969 is a prime.

It is a super-2 number, since 2×30771092481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30771092411) 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, 5128515411 + ... + 5128515416.

It is an arithmetic number, because the mean of its divisors is an integer number (10257030828).

Almost surely, 2^30771092481 is an apocalyptic number.

It is an amenable number.

30771092481 is a deficient number, since it is larger than the sum of its proper divisors (10257030831).

30771092481 is a wasteful number, since it uses less digits than its factorization.

30771092481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10257030830.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 30771092481 in words is "thirty billion, seven hundred seventy-one million, ninety-two thousand, four hundred eighty-one".