352203056531 has 4 divisors (see below), whose sum is σ = 352735890864. Its totient is φ = 351670222200.

The previous prime is 352203056483. The next prime is 352203056537. The reversal of 352203056531 is 135650302253.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352203056531 is a prime.

It is a super-2 number, since 2×352203056531² (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 = 352203056491 and 352203056500.

It is not an unprimeable number, because it can be changed into a prime (352203056537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266416175 + ... + 266417496.

It is an arithmetic number, because the mean of its divisors is an integer number (88183972716).

Almost surely, 2^352203056531 is an apocalyptic number.

352203056531 is a deficient number, since it is larger than the sum of its proper divisors (532834333).

352203056531 is an equidigital number, since it uses as much as digits as its factorization.

352203056531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532834332.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 352203056531 its reverse (135650302253), we get a palindrome (487853358784).

The spelling of 352203056531 in words is "three hundred fifty-two billion, two hundred three million, fifty-six thousand, five hundred thirty-one".