Search a number
-
+
151131313 is a prime number
BaseRepresentation
bin10010000001000…
…01010010110001
3101112101021012001
421000201102301
5302142200223
622555134001
73513411034
oct1100412261
9345337161
10151131313
1178345213
1242744301
1325406b18
141610101b
15d4049ad
hex90214b1

151131313 has 2 divisors, whose sum is σ = 151131314. Its totient is φ = 151131312.

The previous prime is 151131287. The next prime is 151131317. The reversal of 151131313 is 313131151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104509729 + 46621584 = 10223^2 + 6828^2 .

It is a cyclic number.

It is not a de Polignac number, because 151131313 - 213 = 151123121 is a prime.

It is not a weakly prime, because it can be changed into another prime (151131317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75565656 + 75565657.

It is an arithmetic number, because the mean of its divisors is an integer number (75565657).

Almost surely, 2151131313 is an apocalyptic number.

It is an amenable number.

151131313 is a deficient number, since it is larger than the sum of its proper divisors (1).

151131313 is an equidigital number, since it uses as much as digits as its factorization.

151131313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 135, while the sum is 19.

The square root of 151131313 is about 12293.5476165345. The cubic root of 151131313 is about 532.6617175805.

Adding to 151131313 its reverse (313131151), we get a palindrome (464262464).

The spelling of 151131313 in words is "one hundred fifty-one million, one hundred thirty-one thousand, three hundred thirteen".