3101311031123 has 2 divisors, whose sum is σ = 3101311031124. Its totient is φ = 3101311031122.

The previous prime is 3101311031111. The next prime is 3101311031131. The reversal of 3101311031123 is 3211301131013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3101311031123 - 2⁶ = 3101311031059 is a prime.

It is a super-2 number, since 2×3101311031123² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3101311031095 and 3101311031104.

It is not a weakly prime, because it can be changed into another prime (3101311031153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550655515561 + 1550655515562.

It is an arithmetic number, because the mean of its divisors is an integer number (1550655515562).

Almost surely, 2^{3101311031123} is an apocalyptic number.

3101311031123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3101311031123 is an equidigital number, since it uses as much as digits as its factorization.

3101311031123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 3101311031123 its reverse (3211301131013), we get a palindrome (6312612162136).

The spelling of 3101311031123 in words is "three trillion, one hundred one billion, three hundred eleven million, thirty-one thousand, one hundred twenty-three".