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30313030131 = 323368114459
BaseRepresentation
bin11100001110110011…
…000010000111110011
32220020120022110222200
4130032303002013303
5444040113431011
621531533234243
72122120335066
oct341663020763
986216273880
1030313030131
1111945a0821a
125a5b932983
132b211a5a27
141677c508dd
15bc635d856
hex70ecc21f3

30313030131 has 6 divisors (see below), whose sum is σ = 43785487980. Its totient is φ = 20208686748.

The previous prime is 30313030109. The next prime is 30313030133. The reversal of 30313030131 is 13103031303.

30313030131 is a `hidden beast` number, since 303 + 1 + 30 + 301 + 31 = 666.

It is not a de Polignac number, because 30313030131 - 222 = 30308835827 is a prime.

It is a super-2 number, since 2×303130301312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30313030133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1684057221 + ... + 1684057238.

It is an arithmetic number, because the mean of its divisors is an integer number (7297581330).

Almost surely, 230313030131 is an apocalyptic number.

30313030131 is a deficient number, since it is larger than the sum of its proper divisors (13472457849).

30313030131 is a wasteful number, since it uses less digits than its factorization.

30313030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368114465 (or 3368114462 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 30313030131 its reverse (13103031303), we get a palindrome (43416061434).

The spelling of 30313030131 in words is "thirty billion, three hundred thirteen million, thirty thousand, one hundred thirty-one".

Divisors: 1 3 9 3368114459 10104343377 30313030131