16309315331 has 2 divisors, whose sum is σ = 16309315332. Its totient is φ = 16309315330.

The previous prime is 16309315303. The next prime is 16309315411. The reversal of 16309315331 is 13351390361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16309315331 - 2¹⁴ = 16309298947 is a prime.

It is a super-2 number, since 2×16309315331² (a number of 21 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 16309315291 and 16309315300.

It is not a weakly prime, because it can be changed into another prime (16309315031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8154657665 + 8154657666.

It is an arithmetic number, because the mean of its divisors is an integer number (8154657666).

Almost surely, 2^16309315331 is an apocalyptic number.

16309315331 is a deficient number, since it is larger than the sum of its proper divisors (1).

16309315331 is an equidigital number, since it uses as much as digits as its factorization.

16309315331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 35.

The spelling of 16309315331 in words is "sixteen billion, three hundred nine million, three hundred fifteen thousand, three hundred thirty-one".