2016315731 has 2 divisors, whose sum is σ = 2016315732. Its totient is φ = 2016315730.

The previous prime is 2016315673. The next prime is 2016315761. The reversal of 2016315731 is 1375136102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2016315731 - 2²⁶ = 1949206867 is a prime.

It is a super-2 number, since 2×2016315731² = 8131058254156128722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2016315694 and 2016315703.

It is not a weakly prime, because it can be changed into another prime (2016315761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008157865 + 1008157866.

It is an arithmetic number, because the mean of its divisors is an integer number (1008157866).

Almost surely, 2^2016315731 is an apocalyptic number.

2016315731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016315731 is an equidigital number, since it uses as much as digits as its factorization.

2016315731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 2016315731 is about 44903.4044477699. The cubic root of 2016315731 is about 1263.3378641884.

The spelling of 2016315731 in words is "two billion, sixteen million, three hundred fifteen thousand, seven hundred thirty-one".