3125131123 has 2 divisors, whose sum is σ = 3125131124. Its totient is φ = 3125131122.

The previous prime is 3125131117. The next prime is 3125131129. The reversal of 3125131123 is 3211315213.

It is a balanced prime because it is at equal distance from previous prime (3125131117) and next prime (3125131129).

It is a cyclic number.

It is not a de Polignac number, because 3125131123 - 2⁵ = 3125131091 is a prime.

It is a super-2 number, since 2×3125131123² = 19532889071886482258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3125131094 and 3125131103.

It is not a weakly prime, because it can be changed into another prime (3125131129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562565561 + 1562565562.

It is an arithmetic number, because the mean of its divisors is an integer number (1562565562).

Almost surely, 2^3125131123 is an apocalyptic number.

3125131123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125131123 is an equidigital number, since it uses as much as digits as its factorization.

3125131123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 22.

The square root of 3125131123 is about 55902.8722249582. The cubic root of 3125131123 is about 1462.0293171393.

Adding to 3125131123 its reverse (3211315213), we get a palindrome (6336446336).

The spelling of 3125131123 in words is "three billion, one hundred twenty-five million, one hundred thirty-one thousand, one hundred twenty-three".