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130030131 = 3711562901
BaseRepresentation
bin1111100000000…
…01101000110011
3100001200012210210
413300001220303
5231241431011
620522555203
73136144410
oct760015063
9301605723
10130030131
1167442620
1237668b03
1320c2940a
14133ab107
15b6376a6
hex7c01a33

130030131 has 16 divisors (see below), whose sum is σ = 216154368. Its totient is φ = 67548000.

The previous prime is 130030123. The next prime is 130030139. The reversal of 130030131 is 131030031.

It is an interprime number because it is at equal distance from previous prime (130030123) and next prime (130030139).

It is not a de Polignac number, because 130030131 - 23 = 130030123 is a prime.

It is a super-2 number, since 2×1300301312 = 33815669935754322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130030139) 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, 281220 + ... + 281681.

It is an arithmetic number, because the mean of its divisors is an integer number (13509648).

Almost surely, 2130030131 is an apocalyptic number.

130030131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130030131 is a deficient number, since it is larger than the sum of its proper divisors (86124237).

130030131 is a wasteful number, since it uses less digits than its factorization.

130030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562922.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 130030131 is about 11403.0755061957. The cubic root of 130030131 is about 506.6188367149.

Adding to 130030131 its reverse (131030031), we get a palindrome (261060162).

The spelling of 130030131 in words is "one hundred thirty million, thirty thousand, one hundred thirty-one".

Divisors: 1 3 7 11 21 33 77 231 562901 1688703 3940307 6191911 11820921 18575733 43343377 130030131