30551101201240 has 64 divisors (see below), whose sum is σ = 71987621261760. Its totient is φ = 11646917905920.

The previous prime is 30551101201199. The next prime is 30551101201253. The reversal of 30551101201240 is 4210210115503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59686891 + ... + 60196570.

It is an arithmetic number, because the mean of its divisors is an integer number (1124806582215).

Almost surely, 2^{30551101201240} is an apocalyptic number.

It is an amenable number.

30551101201240 is an abundant number, since it is smaller than the sum of its proper divisors (41436520060520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30551101201240 is a wasteful number, since it uses less digits than its factorization.

30551101201240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119883772 (or 119883768 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 30551101201240 its reverse (4210210115503), we get a palindrome (34761311316743).

The spelling of 30551101201240 in words is "thirty trillion, five hundred fifty-one billion, one hundred one million, two hundred one thousand, two hundred forty".