352020140231 has 16 divisors (see below), whose sum is σ = 358720977888. Its totient is φ = 345350544000.

The previous prime is 352020140221. The next prime is 352020140243. The reversal of 352020140231 is 132041020253.

It is a cyclic number.

It is not a de Polignac number, because 352020140231 - 2¹⁸ = 352019878087 is a prime.

It is a super-2 number, since 2×352020140231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 352020140197 and 352020140206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352020140221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40490321 + ... + 40499013.

It is an arithmetic number, because the mean of its divisors is an integer number (22420061118).

Almost surely, 2^352020140231 is an apocalyptic number.

352020140231 is a deficient number, since it is larger than the sum of its proper divisors (6700837657).

352020140231 is an equidigital number, since it uses as much as digits as its factorization.

352020140231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10402.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 352020140231 its reverse (132041020253), we get a palindrome (484061160484).

The spelling of 352020140231 in words is "three hundred fifty-two billion, twenty million, one hundred forty thousand, two hundred thirty-one".