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30130012131 = 373913590443
BaseRepresentation
bin11100000011111000…
…110111111111100011
32212202210221012111020
4130003320313333203
5443201240342011
621501434420523
72114435606652
oct340370677743
985683835436
1030130012131
111186167407a
125a0a591743
132ac22b625b
14165b80d199
15bb525b006
hex703e37fe3

30130012131 has 8 divisors (see below), whose sum is σ = 40227714240. Its totient is φ = 20059492392.

The previous prime is 30130012127. The next prime is 30130012177. The reversal of 30130012131 is 13121003103.

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

It is not a de Polignac number, because 30130012131 - 22 = 30130012127 is a prime.

It is a super-2 number, since 2×301300121312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30130012131.

It is not an unprimeable number, because it can be changed into a prime (30110012131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6793005 + ... + 6797438.

It is an arithmetic number, because the mean of its divisors is an integer number (5028464280).

Almost surely, 230130012131 is an apocalyptic number.

30130012131 is a deficient number, since it is larger than the sum of its proper divisors (10097702109).

30130012131 is a wasteful number, since it uses less digits than its factorization.

30130012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13591185.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30130012131 its reverse (13121003103), we get a palindrome (43251015234).

The spelling of 30130012131 in words is "thirty billion, one hundred thirty million, twelve thousand, one hundred thirty-one".

Divisors: 1 3 739 2217 13590443 40771329 10043337377 30130012131