354234031321 has 16 divisors (see below), whose sum is σ = 360141513984. Its totient is φ = 348356450304.

The previous prime is 354234031309. The next prime is 354234031331. The reversal of 354234031321 is 123130432453.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 354234031321 - 2⁵ = 354234031289 is a prime.

It is a super-3 number, since 3×354234031321³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354234031331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44683060 + ... + 44690986.

It is an arithmetic number, because the mean of its divisors is an integer number (22508844624).

Almost surely, 2^354234031321 is an apocalyptic number.

It is an amenable number.

354234031321 is a deficient number, since it is larger than the sum of its proper divisors (5907482663).

354234031321 is a wasteful number, since it uses less digits than its factorization.

354234031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9720.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 354234031321 its reverse (123130432453), we get a palindrome (477364463774).

The spelling of 354234031321 in words is "three hundred fifty-four billion, two hundred thirty-four million, thirty-one thousand, three hundred twenty-one".