311412529 has 2 divisors, whose sum is σ = 311412530. Its totient is φ = 311412528.

The previous prime is 311412499. The next prime is 311412539. The reversal of 311412529 is 925214113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251381025 + 60031504 = 15855^2 + 7748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311412529 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 311412497 and 311412506.

It is not a weakly prime, because it can be changed into another prime (311412539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155706264 + 155706265.

It is an arithmetic number, because the mean of its divisors is an integer number (155706265).

Almost surely, 2^311412529 is an apocalyptic number.

It is an amenable number.

311412529 is a deficient number, since it is larger than the sum of its proper divisors (1).

311412529 is an equidigital number, since it uses as much as digits as its factorization.

311412529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 311412529 is about 17646.8843992360. The cubic root of 311412529 is about 677.8163291807.

It can be divided in two parts, 31141 and 2529, that added together give a triangular number (33670 = T₂₅₉).

The spelling of 311412529 in words is "three hundred eleven million, four hundred twelve thousand, five hundred twenty-nine".