321140401342 has 16 divisors (see below), whose sum is σ = 482206011840. Its totient is φ = 160405122592.

The previous prime is 321140401333. The next prime is 321140401369. The reversal of 321140401342 is 243104041123.

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, 14498508 + ... + 14520640.

It is an arithmetic number, because the mean of its divisors is an integer number (30137875740).

Almost surely, 2^321140401342 is an apocalyptic number.

321140401342 is a deficient number, since it is larger than the sum of its proper divisors (161065610498).

321140401342 is a wasteful number, since it uses less digits than its factorization.

321140401342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29267.

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

Adding to 321140401342 its reverse (243104041123), we get a palindrome (564244442465).

The spelling of 321140401342 in words is "three hundred twenty-one billion, one hundred forty million, four hundred one thousand, three hundred forty-two".