30315890500661 has 8 divisors (see below), whose sum is σ = 30610342024704. Its totient is φ = 30021441332400.

The previous prime is 30315890500591. The next prime is 30315890500673. The reversal of 30315890500661 is 16600509851303.

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 30315890500661 - 2¹⁰ = 30315890499637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30315890502661) 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, 36654236 + ... + 37472186.

It is an arithmetic number, because the mean of its divisors is an integer number (3826292753088).

Almost surely, 2^{30315890500661} is an apocalyptic number.

It is an amenable number.

30315890500661 is a deficient number, since it is larger than the sum of its proper divisors (294451524043).

30315890500661 is a wasteful number, since it uses less digits than its factorization.

30315890500661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177891.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 30315890500661 in words is "thirty trillion, three hundred fifteen billion, eight hundred ninety million, five hundred thousand, six hundred sixty-one".