3125291231 has 2 divisors, whose sum is σ = 3125291232. Its totient is φ = 3125291230.

The previous prime is 3125291167. The next prime is 3125291249. The reversal of 3125291231 is 1321925213.

It is a happy number.

3125291231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3125291231 - 2⁶ = 3125291167 is a prime.

It is a super-3 number, since 3×3125291231³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3125291194 and 3125291203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3125291261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562645615 + 1562645616.

It is an arithmetic number, because the mean of its divisors is an integer number (1562645616).

Almost surely, 2^3125291231 is an apocalyptic number.

3125291231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125291231 is an equidigital number, since it uses as much as digits as its factorization.

3125291231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 3125291231 is about 55904.3042260612. The cubic root of 3125291231 is about 1462.0542844748.

The spelling of 3125291231 in words is "three billion, one hundred twenty-five million, two hundred ninety-one thousand, two hundred thirty-one".