3142321420 has 24 divisors (see below), whose sum is σ = 7541571744. Its totient is φ = 1077367296.

The previous prime is 3142321411. The next prime is 3142321421. The reversal of 3142321420 is 241232413.

It is a junction number, because it is equal to n+sod(n) for n = 3142321391 and 3142321400.

It is not an unprimeable number, because it can be changed into a prime (3142321421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11222437 + ... + 11222716.

It is an arithmetic number, because the mean of its divisors is an integer number (314232156).

Almost surely, 2^3142321420 is an apocalyptic number.

It is an amenable number.

3142321420 is an abundant number, since it is smaller than the sum of its proper divisors (4399250324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3142321420 is a wasteful number, since it uses less digits than its factorization.

3142321420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22445169 (or 22445167 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3142321420 is about 56056.4128356426. The cubic root of 3142321420 is about 1464.7051276671.

Adding to 3142321420 its reverse (241232413), we get a palindrome (3383553833).

The spelling of 3142321420 in words is "three billion, one hundred forty-two million, three hundred twenty-one thousand, four hundred twenty".