202340032321 has 32 divisors (see below), whose sum is σ = 237498195968. Its totient is φ = 168776213760.

The previous prime is 202340032313. The next prime is 202340032397. The reversal of 202340032321 is 123230043202.

It is not a de Polignac number, because 202340032321 - 2³ = 202340032313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202340032292 and 202340032301.

It is not an unprimeable number, because it can be changed into a prime (202340032121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156005545 + ... + 156006841.

It is an arithmetic number, because the mean of its divisors is an integer number (7421818624).

Almost surely, 2^202340032321 is an apocalyptic number.

It is an amenable number.

202340032321 is a deficient number, since it is larger than the sum of its proper divisors (35158163647).

202340032321 is a wasteful number, since it uses less digits than its factorization.

202340032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 202340032321 its reverse (123230043202), we get a palindrome (325570075523).

The spelling of 202340032321 in words is "two hundred two billion, three hundred forty million, thirty-two thousand, three hundred twenty-one".