16312231145 has 16 divisors (see below), whose sum is σ = 22385058048. Its totient is φ = 11178530880.

The previous prime is 16312231127. The next prime is 16312231151. The reversal of 16312231145 is 54113221361.

16312231145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16312231145 - 2⁶ = 16312231081 is a prime.

It is a super-2 number, since 2×16312231145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88766 + ... + 201255.

It is an arithmetic number, because the mean of its divisors is an integer number (1399066128).

Almost surely, 2^16312231145 is an apocalyptic number.

It is an amenable number.

16312231145 is a deficient number, since it is larger than the sum of its proper divisors (6072826903).

16312231145 is a wasteful number, since it uses less digits than its factorization.

16312231145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291640.

The product of its digits is 4320, while the sum is 29.

The spelling of 16312231145 in words is "sixteen billion, three hundred twelve million, two hundred thirty-one thousand, one hundred forty-five".