30772261243 has 8 divisors (see below), whose sum is σ = 32393830400. Its totient is φ = 29150889768.

The previous prime is 30772261241. The next prime is 30772261283. The reversal of 30772261243 is 34216227703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30772261243 - 2¹ = 30772261241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30772261241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355078 + ... + 433156.

It is an arithmetic number, because the mean of its divisors is an integer number (4049228800).

Almost surely, 2^30772261243 is an apocalyptic number.

30772261243 is a deficient number, since it is larger than the sum of its proper divisors (1621569157).

30772261243 is a wasteful number, since it uses less digits than its factorization.

30772261243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98841.

The product of its (nonzero) digits is 84672, while the sum is 37.

Adding to 30772261243 its reverse (34216227703), we get a palindrome (64988488946).

The spelling of 30772261243 in words is "thirty billion, seven hundred seventy-two million, two hundred sixty-one thousand, two hundred forty-three".