321420301143002 has 4 divisors (see below), whose sum is σ = 482130451714506. Its totient is φ = 160710150571500.

The previous prime is 321420301143001. The next prime is 321420301143017. The reversal of 321420301143002 is 200341103024123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 222191787397801 + 99228513745201 = 14906099^2 + 9961351^2 .

It is a super-2 number, since 2×321420301143002² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321420301143001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80355075285749 + ... + 80355075285752.

Almost surely, 2^{321420301143002} is an apocalyptic number.

321420301143002 is a deficient number, since it is larger than the sum of its proper divisors (160710150571504).

321420301143002 is a wasteful number, since it uses less digits than its factorization.

321420301143002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160710150571503.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 321420301143002 its reverse (200341103024123), we get a palindrome (521761404167125).

The spelling of 321420301143002 in words is "three hundred twenty-one trillion, four hundred twenty billion, three hundred one million, one hundred forty-three thousand, two".