311152546513 has 2 divisors, whose sum is σ = 311152546514. Its totient is φ = 311152546512.

The previous prime is 311152546487. The next prime is 311152546517. The reversal of 311152546513 is 315645251113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302222863504 + 8929683009 = 549748^2 + 94497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311152546513 is a prime.

It is not a weakly prime, because it can be changed into another prime (311152546517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155576273256 + 155576273257.

It is an arithmetic number, because the mean of its divisors is an integer number (155576273257).

Almost surely, 2^311152546513 is an apocalyptic number.

It is an amenable number.

311152546513 is a deficient number, since it is larger than the sum of its proper divisors (1).

311152546513 is an equidigital number, since it uses as much as digits as its factorization.

311152546513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

Adding to 311152546513 its reverse (315645251113), we get a palindrome (626797797626).

The spelling of 311152546513 in words is "three hundred eleven billion, one hundred fifty-two million, five hundred forty-six thousand, five hundred thirteen".