421310431102312 has 8 divisors (see below), whose sum is σ = 789957058316850. Its totient is φ = 210655215551152.

The previous prime is 421310431102289. The next prime is 421310431102313. The reversal of 421310431102312 is 213201134013124.

It can be written as a sum of positive squares in only one way, i.e., 406555198809796 + 14755232292516 = 20163214^2 + 3841254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (421310431102313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26331901943887 + ... + 26331901943902.

Almost surely, 2^{421310431102312} is an apocalyptic number.

It is an amenable number.

421310431102312 is a deficient number, since it is larger than the sum of its proper divisors (368646627214538).

421310431102312 is a wasteful number, since it uses less digits than its factorization.

421310431102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52663803887795 (or 52663803887791 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 421310431102312 its reverse (213201134013124), we get a palindrome (634511565115436).

The spelling of 421310431102312 in words is "four hundred twenty-one trillion, three hundred ten billion, four hundred thirty-one million, one hundred two thousand, three hundred twelve".