321430040133042 has 16 divisors (see below), whose sum is σ = 676694821332960. Its totient is φ = 101504223199872.

The previous prime is 321430040132983. The next prime is 321430040133079. The reversal of 321430040133042 is 240331040034123.

It is a happy 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, 1409780877663 + ... + 1409780877890.

It is an arithmetic number, because the mean of its divisors is an integer number (42293426333310).

Almost surely, 2^{321430040133042} is an apocalyptic number.

321430040133042 is an abundant number, since it is smaller than the sum of its proper divisors (355264781199918).

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

321430040133042 is a wasteful number, since it uses less digits than its factorization.

321430040133042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819561755577.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 321430040133042 its reverse (240331040034123), we get a palindrome (561761080167165).

The spelling of 321430040133042 in words is "three hundred twenty-one trillion, four hundred thirty billion, forty million, one hundred thirty-three thousand, forty-two".