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130031254421 is a prime number
BaseRepresentation
bin111100100011001110…
…1110111101110010101
3110102122002202010121222
41321012131313232111
54112301000120141
6135422513020125
712252203266055
oct1710635675625
9412562663558
10130031254421
1150167287032
122124b254645
13c3534c8783
1464176c3565
1535b098914b
hex1e46777b95

130031254421 has 2 divisors, whose sum is σ = 130031254422. Its totient is φ = 130031254420.

The previous prime is 130031254357. The next prime is 130031254471. The reversal of 130031254421 is 124452130031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96075821521 + 33955432900 = 309961^2 + 184270^2 .

It is an emirp because it is prime and its reverse (124452130031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130031254421 - 26 = 130031254357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130031254471) 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, 65015627210 + 65015627211.

It is an arithmetic number, because the mean of its divisors is an integer number (65015627211).

Almost surely, 2130031254421 is an apocalyptic number.

It is an amenable number.

130031254421 is a deficient number, since it is larger than the sum of its proper divisors (1).

130031254421 is an equidigital number, since it uses as much as digits as its factorization.

130031254421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 130031254421 its reverse (124452130031), we get a palindrome (254483384452).

The spelling of 130031254421 in words is "one hundred thirty billion, thirty-one million, two hundred fifty-four thousand, four hundred twenty-one".