30243043801556 has 96 divisors (see below), whose sum is σ = 55426291200000. Its totient is φ = 14421062613888.

The previous prime is 30243043801547. The next prime is 30243043801561. The reversal of 30243043801556 is 65510834034203.

It is a super-2 number, since 2×30243043801556² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6931706231 + ... + 6931710593.

It is an arithmetic number, because the mean of its divisors is an integer number (577357200000).

Almost surely, 2^{30243043801556} is an apocalyptic number.

It is an amenable number.

30243043801556 is a deficient number, since it is larger than the sum of its proper divisors (25183247398444).

30243043801556 is a wasteful number, since it uses less digits than its factorization.

30243043801556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6741 (or 6739 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

Adding to 30243043801556 its reverse (65510834034203), we get a palindrome (95753877835759).

The spelling of 30243043801556 in words is "thirty trillion, two hundred forty-three billion, forty-three million, eight hundred one thousand, five hundred fifty-six".