316126688533 has 2 divisors, whose sum is σ = 316126688534. Its totient is φ = 316126688532.

The previous prime is 316126688473. The next prime is 316126688551. The reversal of 316126688533 is 335886621613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222428254129 + 93698434404 = 471623^2 + 306102^2 .

It is a cyclic number.

It is not a de Polignac number, because 316126688533 - 2²⁵ = 316093134101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316126688233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158063344266 + 158063344267.

It is an arithmetic number, because the mean of its divisors is an integer number (158063344267).

Almost surely, 2^316126688533 is an apocalyptic number.

It is an amenable number.

316126688533 is a deficient number, since it is larger than the sum of its proper divisors (1).

316126688533 is an equidigital number, since it uses as much as digits as its factorization.

316126688533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 52.

The spelling of 316126688533 in words is "three hundred sixteen billion, one hundred twenty-six million, six hundred eighty-eight thousand, five hundred thirty-three".