30311244056 has 16 divisors (see below), whose sum is σ = 57242459400. Its totient is φ = 15046588224.

The previous prime is 30311244043. The next prime is 30311244059. The reversal of 30311244056 is 65044211303.

It is a super-2 number, since 2×30311244056² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311244059) 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, 13628045 + ... + 13630268.

Almost surely, 2^30311244056 is an apocalyptic number.

It is an amenable number.

30311244056 is a deficient number, since it is larger than the sum of its proper divisors (26931215344).

30311244056 is a wasteful number, since it uses less digits than its factorization.

30311244056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27258458 (or 27258454 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 30311244056 its reverse (65044211303), we get a palindrome (95355455359).

The spelling of 30311244056 in words is "thirty billion, three hundred eleven million, two hundred forty-four thousand, fifty-six".