3531961343 has 4 divisors (see below), whose sum is σ = 3532806288. Its totient is φ = 3531116400.

The previous prime is 3531961339. The next prime is 3531961399. The reversal of 3531961343 is 3431691353.

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 3531961343 - 2² = 3531961339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3531961297 and 3531961306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531961943) 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, 416171 + ... + 424572.

It is an arithmetic number, because the mean of its divisors is an integer number (883201572).

Almost surely, 2^3531961343 is an apocalyptic number.

3531961343 is a deficient number, since it is larger than the sum of its proper divisors (844945).

3531961343 is an equidigital number, since it uses as much as digits as its factorization.

3531961343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844944.

The product of its digits is 87480, while the sum is 38.

The square root of 3531961343 is about 59430.3066036177. The cubic root of 3531961343 is about 1522.9020824478.

The spelling of 3531961343 in words is "three billion, five hundred thirty-one million, nine hundred sixty-one thousand, three hundred forty-three".