321420310413400 has 48 divisors (see below), whose sum is σ = 815238787326840. Its totient is φ = 116880112876800.

The previous prime is 321420310413299. The next prime is 321420310413403. The reversal of 321420310413400 is 4314013024123.

It is a happy number.

It is a super-2 number, since 2×321420310413400² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321420310413403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73050068349 + ... + 73050072748.

Almost surely, 2^{321420310413400} is an apocalyptic number.

It is an amenable number.

321420310413400 is an abundant number, since it is smaller than the sum of its proper divisors (493818476913440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321420310413400 is a wasteful number, since it uses less digits than its factorization.

321420310413400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146100141124 (or 146100141115 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 321420310413400 its reverse (4314013024123), we get a palindrome (325734323437523).

The spelling of 321420310413400 in words is "three hundred twenty-one trillion, four hundred twenty billion, three hundred ten million, four hundred thirteen thousand, four hundred".