34531221331 has 4 divisors (see below), whose sum is σ = 34532648352. Its totient is φ = 34529794312.

The previous prime is 34531221311. The next prime is 34531221343. The reversal of 34531221331 is 13312213543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13312213543 = 15877 ⋅838459.

It is a cyclic number.

It is not a de Polignac number, because 34531221331 - 2⁵ = 34531221299 is a prime.

It is a super-2 number, since 2×34531221331² (a number of 22 digits) contains 22 as substring.

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 34531221331.

It is not an unprimeable number, because it can be changed into a prime (34531221311) 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, 676576 + ... + 725821.

It is an arithmetic number, because the mean of its divisors is an integer number (8633162088).

Almost surely, 2^34531221331 is an apocalyptic number.

34531221331 is a deficient number, since it is larger than the sum of its proper divisors (1427021).

34531221331 is a wasteful number, since it uses less digits than its factorization.

34531221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427020.

The product of its digits is 6480, while the sum is 28.

Adding to 34531221331 its reverse (13312213543), we get a palindrome (47843434874).

The spelling of 34531221331 in words is "thirty-four billion, five hundred thirty-one million, two hundred twenty-one thousand, three hundred thirty-one".