321100142 has 16 divisors (see below), whose sum is σ = 526124592. Its totient is φ = 145763520.

The previous prime is 321100067. The next prime is 321100159. The reversal of 321100142 is 241001123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8378 + ... + 26690.

It is an arithmetic number, because the mean of its divisors is an integer number (32882787).

Almost surely, 2^321100142 is an apocalyptic number.

321100142 is a deficient number, since it is larger than the sum of its proper divisors (205024450).

321100142 is a wasteful number, since it uses less digits than its factorization.

321100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19123.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 321100142 is about 17919.2673399333. The cubic root of 321100142 is about 684.7733222654.

Adding to 321100142 its reverse (241001123), we get a palindrome (562101265).

The spelling of 321100142 in words is "three hundred twenty-one million, one hundred thousand, one hundred forty-two".