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130120204231 is a prime number
BaseRepresentation
bin111100100101111000…
…1001011111111000111
3110102212022010020211101
41321023301023333013
54112441233013411
6135435411320531
712254333326003
oct1711361137707
9412768106741
10130120204231
1150202510376
1221274bb0147
13c368a706b4
146425439703
1535b86a98c1
hex1e4bc4bfc7

130120204231 has 2 divisors, whose sum is σ = 130120204232. Its totient is φ = 130120204230.

The previous prime is 130120204211. The next prime is 130120204273. The reversal of 130120204231 is 132402021031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130120204231 - 211 = 130120202183 is a prime.

It is a super-2 number, since 2×1301202042312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130120204199 and 130120204208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130120204211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65060102115 + 65060102116.

It is an arithmetic number, because the mean of its divisors is an integer number (65060102116).

Almost surely, 2130120204231 is an apocalyptic number.

130120204231 is a deficient number, since it is larger than the sum of its proper divisors (1).

130120204231 is an equidigital number, since it uses as much as digits as its factorization.

130120204231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 130120204231 its reverse (132402021031), we get a palindrome (262522225262).

The spelling of 130120204231 in words is "one hundred thirty billion, one hundred twenty million, two hundred four thousand, two hundred thirty-one".