321043001042 has 64 divisors (see below), whose sum is σ = 511643381760. Its totient is φ = 150903357696.

The previous prime is 321043001033. The next prime is 321043001051. The reversal of 321043001042 is 240100340123.

It is an interprime number because it is at equal distance from previous prime (321043001033) and next prime (321043001051).

It is a super-2 number, since 2×321043001042² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69232748 + ... + 69237384.

It is an arithmetic number, because the mean of its divisors is an integer number (7994427840).

Almost surely, 2^321043001042 is an apocalyptic number.

321043001042 is a deficient number, since it is larger than the sum of its proper divisors (190600380718).

321043001042 is a wasteful number, since it uses less digits than its factorization.

321043001042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 321043001042 its reverse (240100340123), we get a palindrome (561143341165).

The spelling of 321043001042 in words is "three hundred twenty-one billion, forty-three million, one thousand, forty-two".