3142323220345 has 16 divisors (see below), whose sum is σ = 3844529434512. Its totient is φ = 2464761594880.

The previous prime is 3142323220313. The next prime is 3142323220349. The reversal of 3142323220345 is 5430223232413.

It can be written as a sum of positive squares in 8 ways, for example, as 145463671609 + 2996859548736 = 381397^2 + 1731144^2 .

It is not a de Polignac number, because 3142323220345 - 2⁵ = 3142323220313 is a prime.

It is a super-2 number, since 2×3142323220345² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3142323220345.

It is not an unprimeable number, because it can be changed into a prime (3142323220349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3610852 + ... + 4395781.

It is an arithmetic number, because the mean of its divisors is an integer number (240283089657).

Almost surely, 2^{3142323220345} is an apocalyptic number.

It is an amenable number.

3142323220345 is a deficient number, since it is larger than the sum of its proper divisors (702206214167).

3142323220345 is a wasteful number, since it uses less digits than its factorization.

3142323220345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008172.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 3142323220345 its reverse (5430223232413), we get a palindrome (8572546452758).

The spelling of 3142323220345 in words is "three trillion, one hundred forty-two billion, three hundred twenty-three million, two hundred twenty thousand, three hundred forty-five".