321140012103 has 12 divisors (see below), whose sum is σ = 470792323768. Its totient is φ = 210897918000.

The previous prime is 321140012077. The next prime is 321140012107. The reversal of 321140012103 is 301210041123.

It is not a de Polignac number, because 321140012103 - 2⁵ = 321140012071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321140012107) 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, 266284648 + ... + 266285853.

Almost surely, 2^321140012103 is an apocalyptic number.

321140012103 is a deficient number, since it is larger than the sum of its proper divisors (149652311665).

321140012103 is a wasteful number, since it uses less digits than its factorization.

321140012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532570574 (or 532570571 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 321140012103 its reverse (301210041123), we get a palindrome (622350053226).

The spelling of 321140012103 in words is "three hundred twenty-one billion, one hundred forty million, twelve thousand, one hundred three".