312425131 has 2 divisors, whose sum is σ = 312425132. Its totient is φ = 312425130.

The previous prime is 312425101. The next prime is 312425147. The reversal of 312425131 is 131524213.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312425131 - 2¹⁹ = 311900843 is a prime.

It is a super-2 number, since 2×312425131² = 195218924960734322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312425101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156212565 + 156212566.

It is an arithmetic number, because the mean of its divisors is an integer number (156212566).

Almost surely, 2^312425131 is an apocalyptic number.

312425131 is a deficient number, since it is larger than the sum of its proper divisors (1).

312425131 is an equidigital number, since it uses as much as digits as its factorization.

312425131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 312425131 is about 17675.5517877095. The cubic root of 312425131 is about 678.5502062916.

Adding to 312425131 its reverse (131524213), we get a palindrome (443949344).

The spelling of 312425131 in words is "three hundred twelve million, four hundred twenty-five thousand, one hundred thirty-one".