352240131 has 8 divisors (see below), whose sum is σ = 475312320. Its totient is φ = 231997352.

The previous prime is 352240129. The next prime is 352240157. The reversal of 352240131 is 131042253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 352240131 - 2¹ = 352240129 is a prime.

It is a super-2 number, since 2×352240131² = 248146219773794322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 352240098 and 352240107.

It is not an unprimeable number, because it can be changed into a prime (352240171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707061 + ... + 707558.

It is an arithmetic number, because the mean of its divisors is an integer number (59414040).

Almost surely, 2^352240131 is an apocalyptic number.

352240131 is a deficient number, since it is larger than the sum of its proper divisors (123072189).

352240131 is a wasteful number, since it uses less digits than its factorization.

352240131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414705.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 352240131 is about 18768.0614608968. The cubic root of 352240131 is about 706.2301885376.

Adding to 352240131 its reverse (131042253), we get a palindrome (483282384).

The spelling of 352240131 in words is "three hundred fifty-two million, two hundred forty thousand, one hundred thirty-one".