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30031201033 = 113712137321
BaseRepresentation
bin11011111101111111…
…111100001100001001
32212111221000002010221
4123331333330030021
5443000441413113
621443544510041
72112125665651
oct337577741411
985457002127
1030031201033
1111810914909
1259a147b321
132aa799a952
14164c64b361
15bab73d98d
hex6fdffc309

30031201033 has 8 divisors (see below), whose sum is σ = 30302030376. Its totient is φ = 29760460800.

The previous prime is 30031201003. The next prime is 30031201061. The reversal of 30031201033 is 33010213003.

It can be written as a sum of positive squares in 4 ways, for example, as 132641289 + 29898559744 = 11517^2 + 172912^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30031201033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30031200998 and 30031201016.

It is not an unprimeable number, because it can be changed into a prime (30031201003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786013 + ... + 823333.

It is an arithmetic number, because the mean of its divisors is an integer number (3787753797).

Almost surely, 230031201033 is an apocalyptic number.

It is an amenable number.

30031201033 is a deficient number, since it is larger than the sum of its proper divisors (270829343).

30031201033 is a wasteful number, since it uses less digits than its factorization.

30031201033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44555.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30031201033 its reverse (33010213003), we get a palindrome (63041414036).

The spelling of 30031201033 in words is "thirty billion, thirty-one million, two hundred one thousand, thirty-three".

Divisors: 1 113 7121 37321 804673 4217273 265762841 30031201033