321340034142 has 32 divisors (see below), whose sum is σ = 717713805600. Its totient is φ = 106569618624.

The previous prime is 321340034101. The next prime is 321340034149. The reversal of 321340034142 is 241430043123.

321340034142 is a `hidden beast` number, since 3 + 213 + 400 + 3 + 4 + 1 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321340034149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15092767 + ... + 15114042.

It is an arithmetic number, because the mean of its divisors is an integer number (22428556425).

Almost surely, 2^321340034142 is an apocalyptic number.

321340034142 is an abundant number, since it is smaller than the sum of its proper divisors (396373771458).

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

321340034142 is a wasteful number, since it uses less digits than its factorization.

321340034142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30207017 (or 30207011 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 321340034142 its reverse (241430043123), we get a palindrome (562770077265).

The spelling of 321340034142 in words is "three hundred twenty-one billion, three hundred forty million, thirty-four thousand, one hundred forty-two".