321023130041442 has 32 divisors (see below), whose sum is σ = 648735439439808. Its totient is φ = 105895792267776.

The previous prime is 321023130041381. The next prime is 321023130041459. The reversal of 321023130041442 is 244140031320123.

It is a super-2 number, since 2×321023130041442² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367748683 + ... + 368620590.

It is an arithmetic number, because the mean of its divisors is an integer number (20272982482494).

Almost surely, 2^{321023130041442} is an apocalyptic number.

321023130041442 is an abundant number, since it is smaller than the sum of its proper divisors (327712309398366).

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

321023130041442 is a wasteful number, since it uses less digits than its factorization.

321023130041442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736370034.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 321023130041442 its reverse (244140031320123), we get a palindrome (565163161361565).

The spelling of 321023130041442 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred thirty million, forty-one thousand, four hundred forty-two".