321101342042 has 16 divisors (see below), whose sum is σ = 518734726440. Its totient is φ = 148191316992.

The previous prime is 321101342021. The next prime is 321101342101. The reversal of 321101342042 is 240243101123.

It can be written as a sum of positive squares in 4 ways, for example, as 252535395841 + 68565946201 = 502529^2 + 261851^2 .

It is a super-2 number, since 2×321101342042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321101341999 and 321101342017.

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 7 ways as a sum of consecutive naturals, for example, 43634 + ... + 802562.

Almost surely, 2^321101342042 is an apocalyptic number.

321101342042 is a deficient number, since it is larger than the sum of its proper divisors (197633384398).

321101342042 is a wasteful number, since it uses less digits than its factorization.

321101342042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775217.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 321101342042 its reverse (240243101123), we get a palindrome (561344443165).

The spelling of 321101342042 in words is "three hundred twenty-one billion, one hundred one million, three hundred forty-two thousand, forty-two".