354200111531 has 4 divisors (see below), whose sum is σ = 404800127472. Its totient is φ = 303600095592.

The previous prime is 354200111501. The next prime is 354200111563. The reversal of 354200111531 is 135111002453.

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

It is a cyclic number.

It is not a de Polignac number, because 354200111531 - 2²² = 354195917227 is a prime.

It is a super-3 number, since 3×354200111531³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354200111531.

It is not an unprimeable number, because it can be changed into a prime (354200111501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25300007960 + ... + 25300007973.

It is an arithmetic number, because the mean of its divisors is an integer number (101200031868).

Almost surely, 2^354200111531 is an apocalyptic number.

354200111531 is a deficient number, since it is larger than the sum of its proper divisors (50600015941).

354200111531 is an equidigital number, since it uses as much as digits as its factorization.

354200111531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50600015940.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 354200111531 its reverse (135111002453), we get a palindrome (489311113984).

The spelling of 354200111531 in words is "three hundred fifty-four billion, two hundred million, one hundred eleven thousand, five hundred thirty-one".