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30550251102031 = 269113569706699
BaseRepresentation
bin1101111001001000010001…
…10111010101111101001111
311000011120112112012221120201
412330210020313111331033
513001013403240231111
6144550331441554331
76302116462523323
oct674441067257517
9130146475187521
1030550251102031
11980931a338241
123514a153459a7
131407b51366c0b
147788d63c5983
1537ea373526c1
hex1bc908dd5f4f

30550251102031 has 4 divisors (see below), whose sum is σ = 30663820809000. Its totient is φ = 30436681395064.

The previous prime is 30550251101957. The next prime is 30550251102053. The reversal of 30550251102031 is 13020115205503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30550251102031 - 215 = 30550251069263 is a prime.

It is a super-2 number, since 2×305502511020312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30550251102331) 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, 56784853081 + ... + 56784853618.

It is an arithmetic number, because the mean of its divisors is an integer number (7665955202250).

Almost surely, 230550251102031 is an apocalyptic number.

30550251102031 is a deficient number, since it is larger than the sum of its proper divisors (113569706969).

30550251102031 is a wasteful number, since it uses less digits than its factorization.

30550251102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113569706968.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 30550251102031 its reverse (13020115205503), we get a palindrome (43570366307534).

The spelling of 30550251102031 in words is "thirty trillion, five hundred fifty billion, two hundred fifty-one million, one hundred two thousand, thirty-one".

Divisors: 1 269 113569706699 30550251102031