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130230103 = 191681833
BaseRepresentation
bin1111100001100…
…10011101010111
3100002001101010011
413300302131113
5231314330403
620531141051
73140636413
oct760623527
9302041104
10130230103
1167569893
1237744787
1320c99443
141341dd43
15b676a6d
hex7c32757

130230103 has 4 divisors (see below), whose sum is σ = 130912128. Its totient is φ = 129548080.

The previous prime is 130230083. The next prime is 130230109. The reversal of 130230103 is 301032031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301032031 = 973103423.

It is a cyclic number.

It is not a de Polignac number, because 130230103 - 213 = 130221911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130230109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340726 + ... + 341107.

It is an arithmetic number, because the mean of its divisors is an integer number (32728032).

Almost surely, 2130230103 is an apocalyptic number.

130230103 is a deficient number, since it is larger than the sum of its proper divisors (682025).

130230103 is an equidigital number, since it uses as much as digits as its factorization.

130230103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682024.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 130230103 is about 11411.8404738237. The cubic root of 130230103 is about 506.8784116592.

Adding to 130230103 its reverse (301032031), we get a palindrome (431262134).

The spelling of 130230103 in words is "one hundred thirty million, two hundred thirty thousand, one hundred three".

Divisors: 1 191 681833 130230103