3100400510681 has 2 divisors, whose sum is σ = 3100400510682. Its totient is φ = 3100400510680.

The previous prime is 3100400510587. The next prime is 3100400510797. The reversal of 3100400510681 is 1860150040013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3100399032025 + 1478656 = 1760795^2 + 1216^2 .

It is a cyclic number.

It is not a de Polignac number, because 3100400510681 - 2²⁶ = 3100333401817 is a prime.

It is a super-2 number, since 2×3100400510681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3100400510881) 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, 1550200255340 + 1550200255341.

It is an arithmetic number, because the mean of its divisors is an integer number (1550200255341).

Almost surely, 2^{3100400510681} is an apocalyptic number.

It is an amenable number.

3100400510681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3100400510681 is an equidigital number, since it uses as much as digits as its factorization.

3100400510681 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 29.

Adding to 3100400510681 its reverse (1860150040013), we get a palindrome (4960550550694).

The spelling of 3100400510681 in words is "three trillion, one hundred billion, four hundred million, five hundred ten thousand, six hundred eighty-one".