1316056211531 has 2 divisors, whose sum is σ = 1316056211532. Its totient is φ = 1316056211530.

The previous prime is 1316056211527. The next prime is 1316056211557. The reversal of 1316056211531 is 1351126506131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1316056211531 - 2² = 1316056211527 is a prime.

It is a super-2 number, since 2×1316056211531² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1316056211491 and 1316056211500.

It is not a weakly prime, because it can be changed into another prime (1316056201531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658028105765 + 658028105766.

It is an arithmetic number, because the mean of its divisors is an integer number (658028105766).

Almost surely, 2^{1316056211531} is an apocalyptic number.

1316056211531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316056211531 is an equidigital number, since it uses as much as digits as its factorization.

1316056211531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 1316056211531 in words is "one trillion, three hundred sixteen billion, fifty-six million, two hundred eleven thousand, five hundred thirty-one".