3101629996981 has 2 divisors, whose sum is σ = 3101629996982. Its totient is φ = 3101629996980.

The previous prime is 3101629996979. The next prime is 3101629996987. The reversal of 3101629996981 is 1896999261013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3029166202500 + 72463794481 = 1740450^2 + 269191^2 .

It is an emirp because it is prime and its reverse (1896999261013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3101629996981 - 2¹ = 3101629996979 is a prime.

It is a super-2 number, since 2×3101629996981² (a number of 26 digits) contains 22 as substring.

Together with 3101629996979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3101629996987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550814998490 + 1550814998491.

It is an arithmetic number, because the mean of its divisors is an integer number (1550814998491).

Almost surely, 2^{3101629996981} is an apocalyptic number.

It is an amenable number.

3101629996981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3101629996981 is an equidigital number, since it uses as much as digits as its factorization.

3101629996981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11337408, while the sum is 64.

The spelling of 3101629996981 in words is "three trillion, one hundred one billion, six hundred twenty-nine million, nine hundred ninety-six thousand, nine hundred eighty-one".