3451331543 has 4 divisors (see below), whose sum is σ = 3765088968. Its totient is φ = 3137574120.

The previous prime is 3451331531. The next prime is 3451331561.

3451331543 is nontrivially palindromic in base 10.

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 3451331543 - 2¹⁴ = 3451315159 is a prime.

It is a super-3 number, since 3×3451331543³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3451336543) 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, 156878696 + ... + 156878717.

It is an arithmetic number, because the mean of its divisors is an integer number (941272242).

Almost surely, 2^3451331543 is an apocalyptic number.

3451331543 is a deficient number, since it is larger than the sum of its proper divisors (313757425).

3451331543 is a wasteful number, since it uses less digits than its factorization.

3451331543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313757424.

The product of its digits is 32400, while the sum is 32.

The square root of 3451331543 is about 58748.0343756283. The cubic root of 3451331543 is about 1511.2241791210.

The spelling of 3451331543 in words is "three billion, four hundred fifty-one million, three hundred thirty-one thousand, five hundred forty-three".