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30315401241 = 325157170507
BaseRepresentation
bin11100001110111100…
…000101000000011001
32220020201202221112120
4130032330011000121
5444041220314431
621532100131453
72122146441666
oct341674050031
986221687476
1030315401241
1111947287714
125a60696b89
132b21826058
1416782aaa6d
15bc667b196
hex70ef05019

30315401241 has 16 divisors (see below), whose sum is σ = 40653220608. Its totient is φ = 20094210000.

The previous prime is 30315401213. The next prime is 30315401243. The reversal of 30315401241 is 14210451303.

It is a happy number.

It is not a de Polignac number, because 30315401241 - 234 = 13135532057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30315401243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394710 + ... + 465216.

It is an arithmetic number, because the mean of its divisors is an integer number (2540826288).

Almost surely, 230315401241 is an apocalyptic number.

It is an amenable number.

30315401241 is a deficient number, since it is larger than the sum of its proper divisors (10337819367).

30315401241 is a wasteful number, since it uses less digits than its factorization.

30315401241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71332.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 30315401241 its reverse (14210451303), we get a palindrome (44525852544).

The spelling of 30315401241 in words is "thirty billion, three hundred fifteen million, four hundred one thousand, two hundred forty-one".

Divisors: 1 3 251 571 753 1713 70507 143321 211521 429963 17697257 40259497 53091771 120778491 10105133747 30315401241