30551220431044 has 24 divisors (see below), whose sum is σ = 53627995463000. Its totient is φ = 15228952611840.

The previous prime is 30551220431033. The next prime is 30551220431051. The reversal of 30551220431044 is 44013402215503.

It can be written as a sum of positive squares in 4 ways, for example, as 5676363430144 + 24874857000900 = 2382512^2 + 4987470^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5300242 + ... + 9444310.

Almost surely, 2^{30551220431044} is an apocalyptic number.

It is an amenable number.

30551220431044 is a deficient number, since it is larger than the sum of its proper divisors (23076775031956).

30551220431044 is a wasteful number, since it uses less digits than its factorization.

30551220431044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149703 (or 4149701 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 30551220431044 its reverse (44013402215503), we get a palindrome (74564622646547).

The spelling of 30551220431044 in words is "thirty trillion, five hundred fifty-one billion, two hundred twenty million, four hundred thirty-one thousand, forty-four".