321431202412 has 12 divisors (see below), whose sum is σ = 563809722336. Its totient is φ = 160342710320.

The previous prime is 321431202401. The next prime is 321431202467. The reversal of 321431202412 is 214202134123.

It is a super-2 number, since 2×321431202412² (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 3 ways as a sum of consecutive naturals, for example, 93220783 + ... + 93224230.

It is an arithmetic number, because the mean of its divisors is an integer number (46984143528).

Almost surely, 2^321431202412 is an apocalyptic number.

It is an amenable number.

321431202412 is a deficient number, since it is larger than the sum of its proper divisors (242378519924).

321431202412 is a wasteful number, since it uses less digits than its factorization.

321431202412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186445448 (or 186445446 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 321431202412 its reverse (214202134123), we get a palindrome (535633336535).

The spelling of 321431202412 in words is "three hundred twenty-one billion, four hundred thirty-one million, two hundred two thousand, four hundred twelve".