3130130330981 has 2 divisors, whose sum is σ = 3130130330982. Its totient is φ = 3130130330980.

The previous prime is 3130130330969. The next prime is 3130130331011. The reversal of 3130130330981 is 1890330310313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3125488089025 + 4642241956 = 1767905^2 + 68134^2 .

It is an emirp because it is prime and its reverse (1890330310313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3130130330981 - 2¹⁰ = 3130130329957 is a prime.

It is a super-2 number, since 2×3130130330981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130130330281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565065165490 + 1565065165491.

It is an arithmetic number, because the mean of its divisors is an integer number (1565065165491).

Almost surely, 2^{3130130330981} is an apocalyptic number.

It is an amenable number.

3130130330981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130130330981 is an equidigital number, since it uses as much as digits as its factorization.

3130130330981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 3130130330981 in words is "three trillion, one hundred thirty billion, one hundred thirty million, three hundred thirty thousand, nine hundred eighty-one".