3130301381 has 2 divisors, whose sum is σ = 3130301382. Its totient is φ = 3130301380.

The previous prime is 3130301359. The next prime is 3130301399. The reversal of 3130301381 is 1831030313.

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., 2172398881 + 957902500 = 46609^2 + 30950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3130301381 is a prime.

It is a super-2 number, since 2×3130301381² = 19597573471781014322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130301981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565150690 + 1565150691.

It is an arithmetic number, because the mean of its divisors is an integer number (1565150691).

Almost surely, 2^3130301381 is an apocalyptic number.

It is an amenable number.

3130301381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130301381 is an equidigital number, since it uses as much as digits as its factorization.

3130301381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3130301381 is about 55949.0963376532. The cubic root of 3130301381 is about 1462.8351397534.

Adding to 3130301381 its reverse (1831030313), we get a palindrome (4961331694).

The spelling of 3130301381 in words is "three billion, one hundred thirty million, three hundred one thousand, three hundred eighty-one".