1325843131 has 2 divisors, whose sum is σ = 1325843132. Its totient is φ = 1325843130.

The previous prime is 1325843087. The next prime is 1325843147. The reversal of 1325843131 is 1313485231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1325843131 - 2⁷ = 1325843003 is a prime.

It is a super-2 number, since 2×1325843131² = 3515720016039766322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1325843093 and 1325843102.

It is not a weakly prime, because it can be changed into another prime (1325843171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662921565 + 662921566.

It is an arithmetic number, because the mean of its divisors is an integer number (662921566).

Almost surely, 2^1325843131 is an apocalyptic number.

1325843131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325843131 is an equidigital number, since it uses as much as digits as its factorization.

1325843131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 1325843131 is about 36412.1288995851. The cubic root of 1325843131 is about 1098.5775362667.

The spelling of 1325843131 in words is "one billion, three hundred twenty-five million, eight hundred forty-three thousand, one hundred thirty-one".